56558992 has 20 divisors (see below), whose sum is σ = 125238016. Its totient is φ = 24239520.

The previous prime is 56558959. The next prime is 56559011. The reversal of 56558992 is 29985565.

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, 252384 + ... + 252607.

Almost surely, 2^56558992 is an apocalyptic number.

It is an amenable number.

56558992 is an abundant number, since it is smaller than the sum of its proper divisors (68679024).

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

56558992 is a wasteful number, since it uses less digits than its factorization.

56558992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505006 (or 505000 counting only the distinct ones).

The product of its digits is 972000, while the sum is 49.

The square root of 56558992 is about 7520.5712548981. The cubic root of 56558992 is about 383.8550161577.

The spelling of 56558992 in words is "fifty-six million, five hundred fifty-eight thousand, nine hundred ninety-two".