551015601056 has 24 divisors (see below), whose sum is σ = 1089549149220. Its totient is φ = 274304706048.

The previous prime is 551015601049. The next prime is 551015601067. The reversal of 551015601056 is 650106510155.

It can be written as a sum of positive squares in 2 ways, for example, as 360120010000 + 190895591056 = 600100^2 + 436916^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37589261 + ... + 37603916.

Almost surely, 2^551015601056 is an apocalyptic number.

It is an amenable number.

551015601056 is a deficient number, since it is larger than the sum of its proper divisors (538533548164).

551015601056 is a wasteful number, since it uses less digits than its factorization.

551015601056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75193416 (or 75193408 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

Subtracting 551015601056 from its reverse (650106510155), we obtain a palindrome (99090909099).

The spelling of 551015601056 in words is "five hundred fifty-one billion, fifteen million, six hundred one thousand, fifty-six".