56557045052 has 12 divisors (see below), whose sum is σ = 98977001760. Its totient is φ = 28277901696.

The previous prime is 56557045033. The next prime is 56557045081. The reversal of 56557045052 is 25054075565.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56557044994 and 56557045012.

It is a congruent number.

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, 94349 + ... + 349307.

It is an arithmetic number, because the mean of its divisors is an integer number (8248083480).

Almost surely, 2^56557045052 is an apocalyptic number.

It is an amenable number.

56557045052 is a deficient number, since it is larger than the sum of its proper divisors (42419956708).

56557045052 is a wasteful number, since it uses less digits than its factorization.

56557045052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310420 (or 310418 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 44.

The spelling of 56557045052 in words is "fifty-six billion, five hundred fifty-seven million, forty-five thousand, fifty-two".