57032157 has 64 divisors (see below), whose sum is σ = 101154816. Its totient is φ = 27751680.

The previous prime is 57032153. The next prime is 57032191. The reversal of 57032157 is 75123075.

It is not a de Polignac number, because 57032157 - 2² = 57032153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57032153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194503 + ... + 194795.

It is an arithmetic number, because the mean of its divisors is an integer number (1580544).

Almost surely, 2^57032157 is an apocalyptic number.

It is an amenable number.

57032157 is a deficient number, since it is larger than the sum of its proper divisors (44122659).

57032157 is a wasteful number, since it uses less digits than its factorization.

57032157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 57032157 is about 7551.9637843411. The cubic root of 57032157 is about 384.9224715987.

The spelling of 57032157 in words is "fifty-seven million, thirty-two thousand, one hundred fifty-seven".