56857944 has 64 divisors (see below), whose sum is σ = 167005440. Its totient is φ = 15903360.

The previous prime is 56857903. The next prime is 56857961. The reversal of 56857944 is 44975865.

56857944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56857893 and 56857902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4852 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (2609460).

Almost surely, 2^56857944 is an apocalyptic number.

It is an amenable number.

56857944 is an abundant number, since it is smaller than the sum of its proper divisors (110147496).

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

56857944 is a wasteful number, since it uses less digits than its factorization.

56857944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600 (or 16596 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 56857944 is about 7540.4206779198. The cubic root of 56857944 is about 384.5301379975.

The spelling of 56857944 in words is "fifty-six million, eight hundred fifty-seven thousand, nine hundred forty-four".