57001957 has 4 divisors (see below), whose sum is σ = 60002080. Its totient is φ = 54001836.

The previous prime is 57001949. The next prime is 57002039. The reversal of 57001957 is 75910075.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57001957 - 2³ = 57001949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57001927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500033 + ... + 1500070.

It is an arithmetic number, because the mean of its divisors is an integer number (15000520).

Almost surely, 2^57001957 is an apocalyptic number.

It is an amenable number.

57001957 is a deficient number, since it is larger than the sum of its proper divisors (3000123).

57001957 is a wasteful number, since it uses less digits than its factorization.

57001957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000122.

The product of its (nonzero) digits is 11025, while the sum is 34.

The square root of 57001957 is about 7549.9640396495. The cubic root of 57001957 is about 384.8545174730.

The spelling of 57001957 in words is "fifty-seven million, one thousand, nine hundred fifty-seven".