56423872 has 28 divisors (see below), whose sum is σ = 114702336. Its totient is φ = 27522560.

The previous prime is 56423827. The next prime is 56423891. The reversal of 56423872 is 27832465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8128 + ... + 13375.

It is an arithmetic number, because the mean of its divisors is an integer number (4096512).

Almost surely, 2^56423872 is an apocalyptic number.

It is an amenable number.

56423872 is an abundant number, since it is smaller than the sum of its proper divisors (58278464).

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

56423872 is a wasteful number, since it uses less digits than its factorization.

56423872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21556 (or 21546 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 56423872 is about 7511.5825230107. The cubic root of 56423872 is about 383.5490945819.

The spelling of 56423872 in words is "fifty-six million, four hundred twenty-three thousand, eight hundred seventy-two".