51055000600056 has 32 divisors (see below), whose sum is σ = 127684238208000. Its totient is φ = 17012101972320.

The previous prime is 51055000600013. The next prime is 51055000600069. The reversal of 51055000600056 is 65000600055015.

It is a super-2 number, since 2×51055000600056² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389405656 + ... + 389536743.

It is an arithmetic number, because the mean of its divisors is an integer number (3990132444000).

Almost surely, 2^{51055000600056} is an apocalyptic number.

It is an amenable number.

51055000600056 is an abundant number, since it is smaller than the sum of its proper divisors (76629237607944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51055000600056 is a wasteful number, since it uses less digits than its factorization.

51055000600056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778945139 (or 778945135 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 51055000600056 in words is "fifty-one trillion, fifty-five billion, six hundred thousand, fifty-six".