57160858 has 4 divisors (see below), whose sum is σ = 85741290. Its totient is φ = 28580428.

The previous prime is 57160853. The next prime is 57160861. The reversal of 57160858 is 85806175.

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

It can be written as a sum of positive squares in only one way, i.e., 35844169 + 21316689 = 5987^2 + 4617^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 57160858.

It is not an unprimeable number, because it can be changed into a prime (57160853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14290213 + ... + 14290216.

Almost surely, 2^57160858 is an apocalyptic number.

57160858 is a deficient number, since it is larger than the sum of its proper divisors (28580432).

57160858 is a wasteful number, since it uses less digits than its factorization.

57160858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28580431.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 57160858 is about 7560.4800112162. The cubic root of 57160858 is about 385.2117977830.

The spelling of 57160858 in words is "fifty-seven million, one hundred sixty thousand, eight hundred fifty-eight".