56802172 has 48 divisors (see below), whose sum is σ = 122080000. Its totient is φ = 23051952.

The previous prime is 56802139. The next prime is 56802181. The reversal of 56802172 is 27120865.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24979 + ... + 27157.

Almost surely, 2^56802172 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 56802172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61040000).

56802172 is an abundant number, since it is smaller than the sum of its proper divisors (65277828).

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

56802172 is a wasteful number, since it uses less digits than its factorization.

56802172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2207 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 56802172 is about 7536.7215684275. The cubic root of 56802172 is about 384.4043682322.

The spelling of 56802172 in words is "fifty-six million, eight hundred two thousand, one hundred seventy-two".