56045856 has 48 divisors (see below), whose sum is σ = 150552864. Its totient is φ = 18246144.

The previous prime is 56045831. The next prime is 56045863. The reversal of 56045856 is 65854065.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×56045856² = 6282275949545472, which contains 22 as substring.

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, 2661 + ... + 10916.

It is an arithmetic number, because the mean of its divisors is an integer number (3136518).

Almost surely, 2^56045856 is an apocalyptic number.

It is an amenable number.

56045856 is an abundant number, since it is smaller than the sum of its proper divisors (94507008).

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

56045856 is a wasteful number, since it uses less digits than its factorization.

56045856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633 (or 13625 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 56045856 is about 7486.3780294612. The cubic root of 56045856 is about 382.6906358878.

The spelling of 56045856 in words is "fifty-six million, forty-five thousand, eight hundred fifty-six".