56847172 has 12 divisors (see below), whose sum is σ = 99561196. Its totient is φ = 28401120.

The previous prime is 56847151. The next prime is 56847173. The reversal of 56847172 is 27174865.

56847172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43480836 + 13366336 = 6594^2 + 3656^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56847173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 922 + ... + 10702.

Almost surely, 2^56847172 is an apocalyptic number.

It is an amenable number.

56847172 is a deficient number, since it is larger than the sum of its proper divisors (42714024).

56847172 is a wasteful number, since it uses less digits than its factorization.

56847172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11238 (or 11236 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 56847172 is about 7539.7063603300. The cubic root of 56847172 is about 384.5058527938.

The spelling of 56847172 in words is "fifty-six million, eight hundred forty-seven thousand, one hundred seventy-two".