56565896 has 64 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 26058240.

The previous prime is 56565853. The next prime is 56565923. The reversal of 56565896 is 69856565.

It is an alternating number because its digits alternate between odd and even.

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 15 ways as a sum of consecutive naturals, for example, 715985 + ... + 716063.

It is an arithmetic number, because the mean of its divisors is an integer number (1795500).

Almost surely, 2^56565896 is an apocalyptic number.

It is an amenable number.

56565896 is an abundant number, since it is smaller than the sum of its proper divisors (58346104).

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

56565896 is a wasteful number, since it uses less digits than its factorization.

56565896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 218 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 50.

The square root of 56565896 is about 7521.0302485763. The cubic root of 56565896 is about 383.8706342296.

The spelling of 56565896 in words is "fifty-six million, five hundred sixty-five thousand, eight hundred ninety-six".