57672225 has 36 divisors (see below), whose sum is σ = 111248956. Its totient is φ = 28391040.

The previous prime is 57672217. The next prime is 57672229. The reversal of 57672225 is 52227675.

It can be written as a sum of positive squares in 6 ways, for example, as 18584721 + 39087504 = 4311^2 + 6252^2 .

It is not a de Polignac number, because 57672225 - 2³ = 57672217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57672225.

It is not an unprimeable number, because it can be changed into a prime (57672229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6934 + ... + 12783.

Almost surely, 2^57672225 is an apocalyptic number.

It is an amenable number.

57672225 is a deficient number, since it is larger than the sum of its proper divisors (53576731).

57672225 is a wasteful number, since it uses less digits than its factorization.

57672225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746 (or 19738 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 57672225 is about 7594.2231334087. The cubic root of 57672225 is about 386.3571041781.

The spelling of 57672225 in words is "fifty-seven million, six hundred seventy-two thousand, two hundred twenty-five".