50047979 has 4 divisors (see below), whose sum is σ = 50063376. Its totient is φ = 50032584.

The previous prime is 50047969. The next prime is 50048081. The reversal of 50047979 is 97974005.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50047979 - 2²⁴ = 33270763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50047909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704 + ... + 10029.

It is an arithmetic number, because the mean of its divisors is an integer number (12515844).

Almost surely, 2^50047979 is an apocalyptic number.

50047979 is a deficient number, since it is larger than the sum of its proper divisors (15397).

50047979 is a wasteful number, since it uses less digits than its factorization.

50047979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15396.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 50047979 is about 7074.4596260068. The cubic root of 50047979 is about 368.5209496242.

The spelling of 50047979 in words is "fifty million, forty-seven thousand, nine hundred seventy-nine".