57571157 has 8 divisors (see below), whose sum is σ = 66778176. Its totient is φ = 48609792.

The previous prime is 57571153. The next prime is 57571181. The reversal of 57571157 is 75117575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57571157 - 2² = 57571153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57571157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57571153) 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 7 ways as a sum of consecutive naturals, for example, 60908 + ... + 61845.

It is an arithmetic number, because the mean of its divisors is an integer number (8347272).

Almost surely, 2^57571157 is an apocalyptic number.

It is an amenable number.

57571157 is a deficient number, since it is larger than the sum of its proper divisors (9207019).

57571157 is a wasteful number, since it uses less digits than its factorization.

57571157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122827.

The product of its digits is 42875, while the sum is 38.

The square root of 57571157 is about 7587.5659469951. The cubic root of 57571157 is about 386.1312810186.

The spelling of 57571157 in words is "fifty-seven million, five hundred seventy-one thousand, one hundred fifty-seven".