56004172 has 72 divisors (see below), whose sum is σ = 123872000. Its totient is φ = 21640608.

The previous prime is 56004163. The next prime is 56004173. The reversal of 56004172 is 27140065.

56004172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56004173) 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 23 ways as a sum of consecutive naturals, for example, 281329 + ... + 281527.

Almost surely, 2^56004172 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 56004172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61936000).

56004172 is an abundant number, since it is smaller than the sum of its proper divisors (67867828).

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

56004172 is a wasteful number, since it uses less digits than its factorization.

56004172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 56004172 is about 7483.5935218316. The cubic root of 56004172 is about 382.5957372101.

The spelling of 56004172 in words is "fifty-six million, four thousand, one hundred seventy-two".