56789216 has 24 divisors (see below), whose sum is σ = 121968504. Its totient is φ = 25813120.

The previous prime is 56789177. The next prime is 56789237. The reversal of 56789216 is 61298765.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 80315 + ... + 81018.

It is an arithmetic number, because the mean of its divisors is an integer number (5082021).

Almost surely, 2^56789216 is an apocalyptic number.

It is an amenable number.

56789216 is an abundant number, since it is smaller than the sum of its proper divisors (65179288).

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

56789216 is a wasteful number, since it uses less digits than its factorization.

56789216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161354 (or 161346 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 56789216 is about 7535.8619944901. The cubic root of 56789216 is about 384.3751397624.

The spelling of 56789216 in words is "fifty-six million, seven hundred eighty-nine thousand, two hundred sixteen".