56730432 has 56 divisors (see below), whose sum is σ = 163750752. Its totient is φ = 17190400.

The previous prime is 56730419. The next prime is 56730449. The reversal of 56730432 is 23403765.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56730432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11319 + ... + 15542.

Almost surely, 2^56730432 is an apocalyptic number.

It is an amenable number.

56730432 is an abundant number, since it is smaller than the sum of its proper divisors (107020320).

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

56730432 is a wasteful number, since it uses less digits than its factorization.

56730432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26887 (or 26877 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 56730432 is about 7531.9607009065. The cubic root of 56730432 is about 384.2424683942.

The spelling of 56730432 in words is "fifty-six million, seven hundred thirty thousand, four hundred thirty-two".