57565964 has 24 divisors (see below), whose sum is σ = 105731808. Its totient is φ = 27371520.

The previous prime is 57565951. The next prime is 57565993. The reversal of 57565964 is 46956575.

It is a happy number.

57565964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57565964² = 6627680422498592, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 14924 + ... + 18380.

It is an arithmetic number, because the mean of its divisors is an integer number (4405492).

Almost surely, 2^57565964 is an apocalyptic number.

It is an amenable number.

57565964 is a deficient number, since it is larger than the sum of its proper divisors (48165844).

57565964 is a wasteful number, since it uses less digits than its factorization.

57565964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665 (or 3663 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 47.

The square root of 57565964 is about 7587.2237346740. The cubic root of 57565964 is about 386.1196708065.

The spelling of 57565964 in words is "fifty-seven million, five hundred sixty-five thousand, nine hundred sixty-four".