56685959 has 8 divisors (see below), whose sum is σ = 62351760. Its totient is φ = 51531480.

The previous prime is 56685917. The next prime is 56685983. The reversal of 56685959 is 95958665.

It is not a de Polignac number, because 56685959 - 2⁸ = 56685703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56685959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56685989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19964 + ... + 22625.

It is an arithmetic number, because the mean of its divisors is an integer number (7793970).

Almost surely, 2^56685959 is an apocalyptic number.

56685959 is a deficient number, since it is larger than the sum of its proper divisors (5665801).

56685959 is an equidigital number, since it uses as much as digits as its factorization.

56685959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42622 (or 42600 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 53.

The square root of 56685959 is about 7529.0078363620. The cubic root of 56685959 is about 384.1420350404.

The spelling of 56685959 in words is "fifty-six million, six hundred eighty-five thousand, nine hundred fifty-nine".