56139712 has 28 divisors (see below), whose sum is σ = 117957600. Its totient is φ = 26418176.

The previous prime is 56139709. The next prime is 56139779. The reversal of 56139712 is 21793165.

56139712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 24712 + ... + 26887.

Almost surely, 2^56139712 is an apocalyptic number.

It is an amenable number.

56139712 is an abundant number, since it is smaller than the sum of its proper divisors (61817888).

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

56139712 is a wasteful number, since it uses less digits than its factorization.

56139712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51628 (or 51618 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 56139712 is about 7492.6438591461. The cubic root of 56139712 is about 382.9041383294.

The spelling of 56139712 in words is "fifty-six million, one hundred thirty-nine thousand, seven hundred twelve".