56578732 has 36 divisors (see below), whose sum is σ = 121248120. Its totient is φ = 22970304.

The previous prime is 56578721. The next prime is 56578733. The reversal of 56578732 is 23787565.

It is not an unprimeable number, because it can be changed into a prime (56578733) 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, 3873 + ... + 11320.

Almost surely, 2^56578732 is an apocalyptic number.

It is an amenable number.

56578732 is an abundant number, since it is smaller than the sum of its proper divisors (64669388).

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

56578732 is a wasteful number, since it uses less digits than its factorization.

56578732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15230 (or 15221 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 56578732 is about 7521.8835407097. The cubic root of 56578732 is about 383.8996681596.

It can be divided in two parts, 565 and 78732, that added together give a palindrome (79297).

The spelling of 56578732 in words is "fifty-six million, five hundred seventy-eight thousand, seven hundred thirty-two".