57000879 has 12 divisors (see below), whose sum is σ = 88668216. Its totient is φ = 35077392.

The previous prime is 57000871. The next prime is 57000883. The reversal of 57000879 is 97800075.

57000879 is a `hidden beast` number, since 570 + 0 + 0 + 87 + 9 = 666.

It is not a de Polignac number, because 57000879 - 2³ = 57000871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57000871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243477 + ... + 243710.

It is an arithmetic number, because the mean of its divisors is an integer number (7389018).

Almost surely, 2^57000879 is an apocalyptic number.

57000879 is a deficient number, since it is larger than the sum of its proper divisors (31667337).

57000879 is a wasteful number, since it uses less digits than its factorization.

57000879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487206 (or 487203 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 57000879 is about 7549.8926482434. The cubic root of 57000879 is about 384.8520913821.

The spelling of 57000879 in words is "fifty-seven million, eight hundred seventy-nine", and thus it is an aban number.