57117318 has 16 divisors (see below), whose sum is σ = 115366896. Its totient is φ = 18850400.

The previous prime is 57117301. The next prime is 57117329. The reversal of 57117318 is 81371175.

57117318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46521 + ... + 47732.

It is an arithmetic number, because the mean of its divisors is an integer number (7210431).

Almost surely, 2^57117318 is an apocalyptic number.

57117318 is an abundant number, since it is smaller than the sum of its proper divisors (58249578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57117318 is a wasteful number, since it uses less digits than its factorization.

57117318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94359.

The product of its digits is 5880, while the sum is 33.

The square root of 57117318 is about 7557.6000158781. The cubic root of 57117318 is about 385.1139663732.

The spelling of 57117318 in words is "fifty-seven million, one hundred seventeen thousand, three hundred eighteen".