56339964 has 18 divisors (see below), whose sum is σ = 142415000. Its totient is φ = 18779976.

The previous prime is 56339951. The next prime is 56339977. The reversal of 56339964 is 46993365.

It is a happy number.

56339964 is a `hidden beast` number, since 5 + 633 + 9 + 9 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (56339951) and next prime (56339977).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 782464 + ... + 782535.

Almost surely, 2^56339964 is an apocalyptic number.

It is an amenable number.

56339964 is an abundant number, since it is smaller than the sum of its proper divisors (86075036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56339964 is a wasteful number, since it uses less digits than its factorization.

56339964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565009 (or 1565004 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 56339964 is about 7505.9952038354. The cubic root of 56339964 is about 383.3588748367.

The spelling of 56339964 in words is "fifty-six million, three hundred thirty-nine thousand, nine hundred sixty-four".