57982 has 8 divisors (see below), whose sum is σ = 88776. Its totient is φ = 28392.

The previous prime is 57977. The next prime is 57991. The reversal of 57982 is 28975.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168 + ... + 379.

It is an arithmetic number, because the mean of its divisors is an integer number (11097).

2⁵⁷⁹⁸² is an apocalyptic number.

57982 is a deficient number, since it is larger than the sum of its proper divisors (30794).

57982 is a wasteful number, since it uses less digits than its factorization.

57982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602.

The product of its digits is 5040, while the sum is 31.

The square root of 57982 is about 240.7945182100. The cubic root of 57982 is about 38.7047616368.

The spelling of 57982 in words is "fifty-seven thousand, nine hundred eighty-two".