57214689 has 16 divisors (see below), whose sum is σ = 87628800. Its totient is φ = 32527440.

The previous prime is 57214679. The next prime is 57214693. The reversal of 57214689 is 98641275.

It is a de Polignac number, because none of the positive numbers 2^k-57214689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57214689.

It is not an unprimeable number, because it can be changed into a prime (57214649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2667 + ... + 11024.

It is an arithmetic number, because the mean of its divisors is an integer number (5476800).

Almost surely, 2^57214689 is an apocalyptic number.

It is an amenable number.

57214689 is a deficient number, since it is larger than the sum of its proper divisors (30414111).

57214689 is a wasteful number, since it uses less digits than its factorization.

57214689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13900.

The product of its digits is 120960, while the sum is 42.

The square root of 57214689 is about 7564.0391987350. The cubic root of 57214689 is about 385.3326837118.

The spelling of 57214689 in words is "fifty-seven million, two hundred fourteen thousand, six hundred eighty-nine".