57030957 has 6 divisors (see below), whose sum is σ = 82378062. Its totient is φ = 38020632.

The previous prime is 57030947. The next prime is 57030973. The reversal of 57030957 is 75903075.

57030957 is a `hidden beast` number, since 570 + 30 + 9 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44435556 + 12595401 = 6666^2 + 3549^2 .

It is not a de Polignac number, because 57030957 - 2⁷ = 57030829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57030947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3168378 + ... + 3168395.

It is an arithmetic number, because the mean of its divisors is an integer number (13729677).

Almost surely, 2^57030957 is an apocalyptic number.

It is an amenable number.

57030957 is a deficient number, since it is larger than the sum of its proper divisors (25347105).

57030957 is a wasteful number, since it uses less digits than its factorization.

57030957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336779 (or 6336776 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The square root of 57030957 is about 7551.8843343897. The cubic root of 57030957 is about 384.9197718925.

The spelling of 57030957 in words is "fifty-seven million, thirty thousand, nine hundred fifty-seven".