56897764 has 24 divisors (see below), whose sum is σ = 124141248. Its totient is φ = 22167840.

The previous prime is 56897747. The next prime is 56897773. The reversal of 56897764 is 46779865.

It is a happy number.

It is an unprimeable number.

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, 92059 + ... + 92674.

It is an arithmetic number, because the mean of its divisors is an integer number (5172552).

Almost surely, 2^56897764 is an apocalyptic number.

It is an amenable number.

56897764 is an abundant number, since it is smaller than the sum of its proper divisors (67243484).

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

56897764 is a wasteful number, since it uses less digits than its factorization.

56897764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184755 (or 184753 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 56897764 is about 7543.0606520165. The cubic root of 56897764 is about 384.6198845709.

The spelling of 56897764 in words is "fifty-six million, eight hundred ninety-seven thousand, seven hundred sixty-four".