56742912 has 132 divisors (see below), whose sum is σ = 168607296. Its totient is φ = 18370560.

The previous prime is 56742899. The next prime is 56742919. The reversal of 56742912 is 21924765.

56742912 is a `hidden beast` number, since 567 + 4 + 2 + 91 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56742919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433087 + ... + 433217.

It is an arithmetic number, because the mean of its divisors is an integer number (1277328).

Almost surely, 2^56742912 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 56742912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84303648).

56742912 is an abundant number, since it is smaller than the sum of its proper divisors (111864384).

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

56742912 is a wasteful number, since it uses less digits than its factorization.

56742912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 183 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 56742912 is about 7532.7891248859. The cubic root of 56742912 is about 384.2706425401.

The spelling of 56742912 in words is "fifty-six million, seven hundred forty-two thousand, nine hundred twelve".