57118009 has 16 divisors (see below), whose sum is σ = 65681280. Its totient is φ = 49230720.

The previous prime is 57118003. The next prime is 57118031. The reversal of 57118009 is 90081175.

It is a cyclic number.

It is not a de Polignac number, because 57118009 - 2³ = 57118001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57118001) 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, 15909 + ... + 19165.

It is an arithmetic number, because the mean of its divisors is an integer number (4105080).

Almost surely, 2^57118009 is an apocalyptic number.

It is an amenable number.

57118009 is a deficient number, since it is larger than the sum of its proper divisors (8563271).

57118009 is a wasteful number, since it uses less digits than its factorization.

57118009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 57118009 is about 7557.6457313108. The cubic root of 57118009 is about 385.1155193912.

The spelling of 57118009 in words is "fifty-seven million, one hundred eighteen thousand, nine".