56520568 has 32 divisors (see below), whose sum is σ = 119095200. Its totient is φ = 24951168.

The previous prime is 56520557. The next prime is 56520589. The reversal of 56520568 is 86502565.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9423 + ... + 14206.

It is an arithmetic number, because the mean of its divisors is an integer number (3721725).

Almost surely, 2^56520568 is an apocalyptic number.

It is an amenable number.

56520568 is an abundant number, since it is smaller than the sum of its proper divisors (62574632).

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

56520568 is a wasteful number, since it uses less digits than its factorization.

56520568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23671 (or 23667 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 56520568 is about 7518.0162277026. The cubic root of 56520568 is about 383.7680710295.

The spelling of 56520568 in words is "fifty-six million, five hundred twenty thousand, five hundred sixty-eight".