56532868 has 18 divisors (see below), whose sum is σ = 115085166. Its totient is φ = 24228288.

The previous prime is 56532859. The next prime is 56532887. The reversal of 56532868 is 86823565.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56520324 + 12544 = 7518^2 + 112^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144021 + ... + 144412.

Almost surely, 2^56532868 is an apocalyptic number.

It is an amenable number.

56532868 is an abundant number, since it is smaller than the sum of its proper divisors (58552298).

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

56532868 is a wasteful number, since it uses less digits than its factorization.

56532868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288451 (or 288442 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 56532868 is about 7518.8342181484. The cubic root of 56532868 is about 383.7959075326.

It can be divided in two parts, 565 and 32868, that added together give a palindrome (33433).

The spelling of 56532868 in words is "fifty-six million, five hundred thirty-two thousand, eight hundred sixty-eight".