57115799 has 4 divisors (see below), whose sum is σ = 61509336. Its totient is φ = 52722264.

The previous prime is 57115789. The next prime is 57115811. The reversal of 57115799 is 99751175.

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

It is a cyclic number.

It is not a de Polignac number, because 57115799 - 2⁴ = 57115783 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 (57115789) 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, 2196749 + ... + 2196774.

It is an arithmetic number, because the mean of its divisors is an integer number (15377334).

Almost surely, 2^57115799 is an apocalyptic number.

57115799 is a deficient number, since it is larger than the sum of its proper divisors (4393537).

57115799 is a wasteful number, since it uses less digits than its factorization.

57115799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393536.

The product of its digits is 99225, while the sum is 44.

The square root of 57115799 is about 7557.4995203440. The cubic root of 57115799 is about 385.1105523864.

The spelling of 57115799 in words is "fifty-seven million, one hundred fifteen thousand, seven hundred ninety-nine".