56789872 has 20 divisors (see below), whose sum is σ = 111043240. Its totient is φ = 28133568.

The previous prime is 56789867. The next prime is 56789897. The reversal of 56789872 is 27898765.

It is an alternating number because its digits alternate between odd and even.

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, 14538 + ... + 18025.

It is an arithmetic number, because the mean of its divisors is an integer number (5552162).

Almost surely, 2^56789872 is an apocalyptic number.

It is an amenable number.

56789872 is a deficient number, since it is larger than the sum of its proper divisors (54253368).

56789872 is a wasteful number, since it uses less digits than its factorization.

56789872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32680 (or 32674 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 56789872 is about 7535.9055195776. The cubic root of 56789872 is about 384.3766197918.

The spelling of 56789872 in words is "fifty-six million, seven hundred eighty-nine thousand, eight hundred seventy-two".