50979 has 4 divisors (see below), whose sum is σ = 67976. Its totient is φ = 33984.

The previous prime is 50971. The next prime is 50989. The reversal of 50979 is 97905.

It is a happy number.

50979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 50979 - 2³ = 50971 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50971) 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, 8494 + ... + 8499.

It is an arithmetic number, because the mean of its divisors is an integer number (16994).

2⁵⁰⁹⁷⁹ is an apocalyptic number.

50979 is a deficient number, since it is larger than the sum of its proper divisors (16997).

50979 is a wasteful number, since it uses less digits than its factorization.

50979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16996.

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 50979 is about 225.7852962440. The cubic root of 50979 is about 37.0792069922.

The spelling of 50979 in words is "fifty thousand, nine hundred seventy-nine".