57532865 has 16 divisors (see below), whose sum is σ = 74744208. Its totient is φ = 42260736.

The previous prime is 57532859. The next prime is 57532873. The reversal of 57532865 is 56823575.

It can be written as a sum of positive squares in 8 ways, for example, as 9480241 + 48052624 = 3079^2 + 6932^2 .

It is a cyclic number.

It is not a de Polignac number, because 57532865 - 2⁶ = 57532801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10559 + ... + 15051.

It is an arithmetic number, because the mean of its divisors is an integer number (4671513).

Almost surely, 2^57532865 is an apocalyptic number.

It is an amenable number.

57532865 is a deficient number, since it is larger than the sum of its proper divisors (17211343).

57532865 is a wasteful number, since it uses less digits than its factorization.

57532865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its digits is 252000, while the sum is 41.

The square root of 57532865 is about 7585.0421884127. The cubic root of 57532865 is about 386.0456535441.

The spelling of 57532865 in words is "fifty-seven million, five hundred thirty-two thousand, eight hundred sixty-five".