56004372 has 30 divisors (see below), whose sum is σ = 146407338. Its totient is φ = 18668016.

The previous prime is 56004353. The next prime is 56004373. The reversal of 56004372 is 27340065.

It is a happy number.

56004372 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 only one way, i.e., 33593616 + 22410756 = 5796^2 + 4734^2 .

It is a super-2 number, since 2×56004372² = 6272979366228768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56004373) 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 9 ways as a sum of consecutive naturals, for example, 86103 + ... + 86750.

Almost surely, 2^56004372 is an apocalyptic number.

It is an amenable number.

56004372 is an abundant number, since it is smaller than the sum of its proper divisors (90402966).

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

56004372 is a wasteful number, since it uses less digits than its factorization.

56004372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172869 (or 172858 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 56004372 is about 7483.6068843840. The cubic root of 56004372 is about 382.5961926467.

The spelling of 56004372 in words is "fifty-six million, four thousand, three hundred seventy-two".