56640676 has 27 divisors (see below), whose sum is σ = 102469633. Its totient is φ = 27394640.

The previous prime is 56640671. The next prime is 56640679. The reversal of 56640676 is 67604665.

The square root of 56640676 is 7526.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 40832100 + 15808576 = 6390^2 + 3976^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56640671) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 797721 + ... + 797791.

Almost surely, 2^56640676 is an apocalyptic number.

56640676 is the 7526-th square number.

It is an amenable number.

56640676 is a deficient number, since it is larger than the sum of its proper divisors (45828957).

56640676 is an equidigital number, since it uses as much as digits as its factorization.

56640676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The cubic root of 56640676 is about 384.0397184755.

The spelling of 56640676 in words is "fifty-six million, six hundred forty thousand, six hundred seventy-six".