56715568 has 40 divisors (see below), whose sum is σ = 135248288. Its totient is φ = 22436352.

The previous prime is 56715563. The next prime is 56715577. The reversal of 56715568 is 86551765.

It is not an unprimeable number, because it can be changed into a prime (56715563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18021 + ... + 20932.

Almost surely, 2^56715568 is an apocalyptic number.

It is an amenable number.

56715568 is an abundant number, since it is smaller than the sum of its proper divisors (78532720).

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

56715568 is a wasteful number, since it uses less digits than its factorization.

56715568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38981 (or 38975 counting only the distinct ones).

The product of its digits is 252000, while the sum is 43.

The square root of 56715568 is about 7530.9739078024. The cubic root of 56715568 is about 384.2089068721.

The spelling of 56715568 in words is "fifty-six million, seven hundred fifteen thousand, five hundred sixty-eight".