57258157 has 8 divisors (see below), whose sum is σ = 62536320. Its totient is φ = 51992160.

The previous prime is 57258137. The next prime is 57258169. The reversal of 57258157 is 75185275.

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

It is a de Polignac number, because none of the positive numbers 2^k-57258157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57258107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8844 + ... + 13882.

It is an arithmetic number, because the mean of its divisors is an integer number (7817040).

Almost surely, 2^57258157 is an apocalyptic number.

It is an amenable number.

57258157 is a deficient number, since it is larger than the sum of its proper divisors (5278163).

57258157 is a wasteful number, since it uses less digits than its factorization.

57258157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083.

The product of its digits is 98000, while the sum is 40.

The square root of 57258157 is about 7566.9119857443. The cubic root of 57258157 is about 385.4302425813.

The spelling of 57258157 in words is "fifty-seven million, two hundred fifty-eight thousand, one hundred fifty-seven".