57998 has 8 divisors (see below), whose sum is σ = 88992. Its totient is φ = 28336.

The previous prime is 57991. The next prime is 58013. The reversal of 57998 is 89975.

57998 is nontrivially palindromic in base 12.

57998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 402.

It is an arithmetic number, because the mean of its divisors is an integer number (11124).

2⁵⁷⁹⁹⁸ is an apocalyptic number.

57998 is a deficient number, since it is larger than the sum of its proper divisors (30994).

57998 is a wasteful number, since it uses less digits than its factorization.

57998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its digits is 22680, while the sum is 38.

The square root of 57998 is about 240.8277392661. The cubic root of 57998 is about 38.7083214728.

The spelling of 57998 in words is "fifty-seven thousand, nine hundred ninety-eight".