56590056 has 64 divisors (see below), whose sum is σ = 165480000. Its totient is φ = 17869248.

The previous prime is 56590033. The next prime is 56590063. The reversal of 56590056 is 65009565.

56590056 is a `hidden beast` number, since 565 + 90 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 56590056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2791 + ... + 10998.

It is an arithmetic number, because the mean of its divisors is an integer number (2585625).

Almost surely, 2^56590056 is an apocalyptic number.

It is an amenable number.

56590056 is an abundant number, since it is smaller than the sum of its proper divisors (108889944).

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

56590056 is a wasteful number, since it uses less digits than its factorization.

56590056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13823 (or 13813 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 56590056 is about 7522.6362400424. The cubic root of 56590056 is about 383.9252784298.

The spelling of 56590056 in words is "fifty-six million, five hundred ninety thousand, fifty-six".