50479879 has 4 divisors (see below), whose sum is σ = 51307480. Its totient is φ = 49652280.

The previous prime is 50479861. The next prime is 50479883. The reversal of 50479879 is 97897405.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50479879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50479829) 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, 413709 + ... + 413830.

It is an arithmetic number, because the mean of its divisors is an integer number (12826870).

Almost surely, 2^50479879 is an apocalyptic number.

50479879 is a deficient number, since it is larger than the sum of its proper divisors (827601).

50479879 is an equidigital number, since it uses as much as digits as its factorization.

50479879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827600.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 50479879 is about 7104.9193521109. The cubic root of 50479879 is about 369.5779921953.

The spelling of 50479879 in words is "fifty million, four hundred seventy-nine thousand, eight hundred seventy-nine".