56985537 has 16 divisors (see below), whose sum is σ = 86952960. Its totient is φ = 32518992.

The previous prime is 56985499. The next prime is 56985553. The reversal of 56985537 is 73558965.

56985537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56985537 - 2²⁰ = 55936961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56985337) by changing a digit.

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, 20068 + ... + 22730.

It is an arithmetic number, because the mean of its divisors is an integer number (5434560).

Almost surely, 2^56985537 is an apocalyptic number.

It is an amenable number.

56985537 is a deficient number, since it is larger than the sum of its proper divisors (29967423).

56985537 is a wasteful number, since it uses less digits than its factorization.

56985537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692.

The product of its digits is 1134000, while the sum is 48.

The square root of 56985537 is about 7548.8765389295. The cubic root of 56985537 is about 384.8175601568.

The spelling of 56985537 in words is "fifty-six million, nine hundred eighty-five thousand, five hundred thirty-seven".