56423472 has 80 divisors (see below), whose sum is σ = 171988992. Its totient is φ = 15598080.

The previous prime is 56423467. The next prime is 56423489. The reversal of 56423472 is 27432465.

56423472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×56423472⁴ (a number of 32 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 7708 + ... + 13124.

Almost surely, 2^56423472 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 56423472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85994496).

56423472 is an abundant number, since it is smaller than the sum of its proper divisors (115565520).

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

56423472 is a wasteful number, since it uses less digits than its factorization.

56423472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466 (or 5460 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 56423472 is about 7511.5558974157. Note that the first 3 decimals coincide. The cubic root of 56423472 is about 383.5481882279.

The spelling of 56423472 in words is "fifty-six million, four hundred twenty-three thousand, four hundred seventy-two".