57032985 has 16 divisors (see below), whose sum is σ = 95220864. Its totient is φ = 29094912.

The previous prime is 57032971. The next prime is 57033001. The reversal of 57032985 is 58923075.

It is not a de Polignac number, because 57032985 - 2⁵ = 57032953 is a prime.

It is a super-2 number, since 2×57032985² = 6505522756020450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82312 + ... + 83001.

It is an arithmetic number, because the mean of its divisors is an integer number (5951304).

Almost surely, 2^57032985 is an apocalyptic number.

It is an amenable number.

57032985 is a deficient number, since it is larger than the sum of its proper divisors (38187879).

57032985 is a wasteful number, since it uses less digits than its factorization.

57032985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165344.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 57032985 is about 7552.0186043203. The cubic root of 57032985 is about 384.9243343739.

The spelling of 57032985 in words is "fifty-seven million, thirty-two thousand, nine hundred eighty-five".