56558256028 has 6 divisors (see below), whose sum is σ = 98976948056. Its totient is φ = 28279128012.

The previous prime is 56558256017. The next prime is 56558256043. The reversal of 56558256028 is 82065285565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7069782000 + ... + 7069782007.

Almost surely, 2^56558256028 is an apocalyptic number.

It is an amenable number.

56558256028 is a deficient number, since it is larger than the sum of its proper divisors (42418692028).

56558256028 is a wasteful number, since it uses less digits than its factorization.

56558256028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14139564011 (or 14139564009 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 52.

The spelling of 56558256028 in words is "fifty-six billion, five hundred fifty-eight million, two hundred fifty-six thousand, twenty-eight".