57947117 has 4 divisors (see below), whose sum is σ = 58161216. Its totient is φ = 57733020.

The previous prime is 57947111. The next prime is 57947119. The reversal of 57947117 is 71174975.

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 57947117 - 2²² = 53752813 is a prime.

It is a super-2 number, since 2×57947117² = 6715736737223378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57947111) 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, 106643 + ... + 107184.

It is an arithmetic number, because the mean of its divisors is an integer number (14540304).

Almost surely, 2^57947117 is an apocalyptic number.

It is an amenable number.

57947117 is a deficient number, since it is larger than the sum of its proper divisors (214099).

57947117 is a wasteful number, since it uses less digits than its factorization.

57947117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214098.

The product of its digits is 61740, while the sum is 41.

The square root of 57947117 is about 7612.3003750509. The cubic root of 57947117 is about 386.9699825596.

The spelling of 57947117 in words is "fifty-seven million, nine hundred forty-seven thousand, one hundred seventeen".