56965538 has 48 divisors (see below), whose sum is σ = 108739584. Its totient is φ = 22216320.

The previous prime is 56965529. The next prime is 56965543. The reversal of 56965538 is 83556965.

It is a happy number.

56965538 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 = 56965492 and 56965501.

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 23 ways as a sum of consecutive naturals, for example, 51095 + ... + 52197.

It is an arithmetic number, because the mean of its divisors is an integer number (2265408).

Almost surely, 2^56965538 is an apocalyptic number.

56965538 is a deficient number, since it is larger than the sum of its proper divisors (51774046).

56965538 is a wasteful number, since it uses less digits than its factorization.

56965538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1160 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The square root of 56965538 is about 7547.5517884941. The cubic root of 56965538 is about 384.7725378156.

The spelling of 56965538 in words is "fifty-six million, nine hundred sixty-five thousand, five hundred thirty-eight".