50683979 has 4 divisors (see below), whose sum is σ = 50825520. Its totient is φ = 50542440.

The previous prime is 50683961. The next prime is 50683991. The reversal of 50683979 is 97938605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97938605 = 5 ⋅19587721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50683979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50683939) 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, 70232 + ... + 70949.

It is an arithmetic number, because the mean of its divisors is an integer number (12706380).

Almost surely, 2^50683979 is an apocalyptic number.

50683979 is a deficient number, since it is larger than the sum of its proper divisors (141541).

50683979 is a wasteful number, since it uses less digits than its factorization.

50683979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141540.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 50683979 is about 7119.2681505896. The cubic root of 50683979 is about 370.0754143819.

The spelling of 50683979 in words is "fifty million, six hundred eighty-three thousand, nine hundred seventy-nine".