57136225 has 12 divisors (see below), whose sum is σ = 71305084. Its totient is φ = 45414720.

The previous prime is 57136223. The next prime is 57136229. The reversal of 57136225 is 52263175.

It can be written as a sum of positive squares in 6 ways, for example, as 10131489 + 47004736 = 3183^2 + 6856^2 .

It is not a de Polignac number, because 57136225 - 2¹ = 57136223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57136223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3354 + ... + 11203.

Almost surely, 2^57136225 is an apocalyptic number.

It is an amenable number.

57136225 is a deficient number, since it is larger than the sum of its proper divisors (14168859).

57136225 is a wasteful number, since it uses less digits than its factorization.

57136225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14724 (or 14719 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 57136225 is about 7558.8507724389. The cubic root of 57136225 is about 385.1564552174.

The spelling of 57136225 in words is "fifty-seven million, one hundred thirty-six thousand, two hundred twenty-five".