57257159 has 4 divisors (see below), whose sum is σ = 57287280. Its totient is φ = 57227040.

The previous prime is 57257153. The next prime is 57257183. The reversal of 57257159 is 95175275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57257159 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 (57257153) 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, 12002 + ... + 16079.

It is an arithmetic number, because the mean of its divisors is an integer number (14321820).

Almost surely, 2^57257159 is an apocalyptic number.

57257159 is a deficient number, since it is larger than the sum of its proper divisors (30121).

57257159 is a wasteful number, since it uses less digits than its factorization.

57257159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30120.

The product of its digits is 110250, while the sum is 41.

The square root of 57257159 is about 7566.8460404583. The cubic root of 57257159 is about 385.4280032403.

The spelling of 57257159 in words is "fifty-seven million, two hundred fifty-seven thousand, one hundred fifty-nine".