56868539 has 32 divisors (see below), whose sum is σ = 76124160. Its totient is φ = 41212800.

The previous prime is 56868521. The next prime is 56868589. The reversal of 56868539 is 93586865.

It is a cyclic number.

It is not a de Polignac number, because 56868539 - 2⁸ = 56868283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56868589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53069 + ... + 54129.

It is an arithmetic number, because the mean of its divisors is an integer number (2378880).

Almost surely, 2^56868539 is an apocalyptic number.

56868539 is a deficient number, since it is larger than the sum of its proper divisors (19255621).

56868539 is a wasteful number, since it uses less digits than its factorization.

56868539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its digits is 1555200, while the sum is 50.

The square root of 56868539 is about 7541.1231922042. The cubic root of 56868539 is about 384.5540211672.

The spelling of 56868539 in words is "fifty-six million, eight hundred sixty-eight thousand, five hundred thirty-nine".