56943931392 has 416 divisors, whose sum is σ = 179410421760. Its totient is φ = 17809735680.

The previous prime is 56943931381. The next prime is 56943931397. The reversal of 56943931392 is 29313934965.

56943931392 is a `hidden beast` number, since 569 + 43 + 9 + 3 + 1 + 39 + 2 = 666.

It is a super-2 number, since 2×56943931392² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56943931397) 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 31 ways as a sum of consecutive naturals, for example, 155160393 + ... + 155160759.

Almost surely, 2^56943931392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56943931392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89705210880).

56943931392 is an abundant number, since it is smaller than the sum of its proper divisors (122466490368).

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

56943931392 is a wasteful number, since it uses less digits than its factorization.

56943931392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 456 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 54.

The spelling of 56943931392 in words is "fifty-six billion, nine hundred forty-three million, nine hundred thirty-one thousand, three hundred ninety-two".