59979 has 4 divisors (see below), whose sum is σ = 79976. Its totient is φ = 39984.

The previous prime is 59971. The next prime is 59981. The reversal of 59979 is 97995.

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

It is not a de Polignac number, because 59979 - 2³ = 59971 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59971) 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, 9994 + ... + 9999.

It is an arithmetic number, because the mean of its divisors is an integer number (19994).

2⁵⁹⁹⁷⁹ is an apocalyptic number.

59979 is a deficient number, since it is larger than the sum of its proper divisors (19997).

59979 is a wasteful number, since it uses less digits than its factorization.

59979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996.

The product of its digits is 25515, while the sum is 39.

The square root of 59979 is about 244.9061044564. The cubic root of 59979 is about 39.1441085331.

It can be divided in two parts, 5997 and 9, that added together give a palindrome (6006).

The spelling of 59979 in words is "fifty-nine thousand, nine hundred seventy-nine".