550116
853 + 550116 = 10792, 853 - 550116 = 2532.
Page of Squares : First Upload June 8, 2013 ; Last Revised June 8, 2013by Yoshio Mimura, Kobe, Japan
550440
5504402 = 864*865*866 + 866*867*868 + 868*869*870 + 870*871*872 + ... + 1312*1313*1314.
Page of Squares : First Upload October 26, 2013 ; Last Revised October 26, 2013by Yoshio Mimura, Kobe, Japan
551185
5511852 = 303804904225, 3038049 = 17432, 4225 = 652.
Page of Squares : First Upload June 8, 2013 ; Last Revised June 8, 2013by Yoshio Mimura, Kobe, Japan
552157
(5521572 + 1) = (22 + 1)(62 + 1)(82 + 1)(102 + 1)(202 + 1)(252 + 1).
Page of Squares : First Upload June 8, 2013 ; Last Revised June 8, 2013by Yoshio Mimura, Kobe, Japan
553536
553536 = 7442, a square with 3 kinds of digits.
Page of Squares : First Upload June 8, 2013 ; Last Revised June 8, 2013by Yoshio Mimura, Kobe, Japan
555025
555025 = 7452, a square with 3 kinds of digits.
Page of Squares : First Upload June 8, 2013 ; Last Revised June 8, 2013by Yoshio Mimura, Kobe, Japan
556516
556516 = 7462, a square with 3 kinds of digits.
Page of Squares : First Upload June 8, 2013 ; Last Revised June 8, 2013by Yoshio Mimura, Kobe, Japan
558141
12 + 22 + 32 + ... + 5581412 = 57957773179313371, a sum with odd digits (the 3rd 17-digit sum, and there are such 6 sums in all.)
Page of Squares : First Upload June 8, 2013 ; Last Revised June 8, 2013by Yoshio Mimura, Kobe, Japan
558544
5585442 = 311971399936, a square with odd digits except the last digit 6.
Page of Squares : First Upload September 28, 2013 ; Last Revised September 28, 2013by Yoshio Mimura, Kobe, Japan
558600
1303 + 558600 = 16602, 1303 - 558600 = 12802.
Page of Squares : First Upload June 8, 2013 ; Last Revised June 8, 2013by Yoshio Mimura, Kobe, Japan
558868
5588682 = 312333441424, a square every digit of which is non-zero and smaller than 5.
Page of Squares : First Upload September 28, 2013 ; Last Revised September 28, 2013by Yoshio Mimura, Kobe, Japan