56178432 has 108 divisors (see below), whose sum is σ = 166606440. Its totient is φ = 18192384.

The previous prime is 56178427. The next prime is 56178449. The reversal of 56178432 is 23487165.

56178432 is a `hidden beast` number, since 5 + 617 + 8 + 4 + 32 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84919 + ... + 85577.

Almost surely, 2^56178432 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 56178432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83303220).

56178432 is an abundant number, since it is smaller than the sum of its proper divisors (110428008).

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

56178432 is a wasteful number, since it uses less digits than its factorization.

56178432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 701 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 56178432 is about 7495.2272814105. The cubic root of 56178432 is about 382.9921487618.

The spelling of 56178432 in words is "fifty-six million, one hundred seventy-eight thousand, four hundred thirty-two".