56425172 has 12 divisors (see below), whose sum is σ = 99374100. Its totient is φ = 28032576.

The previous prime is 56425169. The next prime is 56425207. The reversal of 56425172 is 27152465.

It can be written as a sum of positive squares in 2 ways, for example, as 23775376 + 32649796 = 4876^2 + 5714^2 .

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, 44297 + ... + 45552.

It is an arithmetic number, because the mean of its divisors is an integer number (8281175).

Almost surely, 2^56425172 is an apocalyptic number.

It is an amenable number.

56425172 is a deficient number, since it is larger than the sum of its proper divisors (42948928).

56425172 is a wasteful number, since it uses less digits than its factorization.

56425172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90010 (or 90008 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 56425172 is about 7511.6690555428. The cubic root of 56425172 is about 383.5520402027.

The spelling of 56425172 in words is "fifty-six million, four hundred twenty-five thousand, one hundred seventy-two".