57718 has 4 divisors (see below), whose sum is σ = 86580. Its totient is φ = 28858.

The previous prime is 57713. The next prime is 57719. The reversal of 57718 is 81775.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14428 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (21645).

2⁵⁷⁷¹⁸ is an apocalyptic number.

57718 is a deficient number, since it is larger than the sum of its proper divisors (28862).

57718 is a wasteful number, since it uses less digits than its factorization.

57718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28861.

The product of its digits is 1960, while the sum is 28.

The square root of 57718 is about 240.2457075579. The cubic root of 57718 is about 38.6459295597.

It can be divided in two parts, 577 and 18, that added together give a palindrome (595).

The spelling of 57718 in words is "fifty-seven thousand, seven hundred eighteen".