56371864 has 32 divisors (see below), whose sum is σ = 112283280. Its totient is φ = 26440704.

The previous prime is 56371849. The next prime is 56371891. The reversal of 56371864 is 46817365.

It is a happy number.

It is a super-3 number, since 3×56371864³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61699 + ... + 62605.

Almost surely, 2^56371864 is an apocalyptic number.

It is an amenable number.

56371864 is a deficient number, since it is larger than the sum of its proper divisors (55911416).

56371864 is a wasteful number, since it uses less digits than its factorization.

56371864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1383 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 56371864 is about 7508.1198711795. The cubic root of 56371864 is about 383.4312144922.

It can be divided in two parts, 563 and 71864, that added together give a palindrome (72427).

The spelling of 56371864 in words is "fifty-six million, three hundred seventy-one thousand, eight hundred sixty-four".