50819879 has 6 divisors (see below), whose sum is σ = 55860000. Its totient is φ = 46199780.

The previous prime is 50819849. The next prime is 50819897. The reversal of 50819879 is 97891805.

It is a happy number.

It is not a de Polignac number, because 50819879 - 2¹² = 50815783 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 (50819809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209879 + ... + 210120.

It is an arithmetic number, because the mean of its divisors is an integer number (9310000).

Almost surely, 2^50819879 is an apocalyptic number.

50819879 is a deficient number, since it is larger than the sum of its proper divisors (5040121).

50819879 is a wasteful number, since it uses less digits than its factorization.

50819879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420021 (or 420010 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 50819879 is about 7128.8062815593. The cubic root of 50819879 is about 370.4058828117.

The spelling of 50819879 in words is "fifty million, eight hundred nineteen thousand, eight hundred seventy-nine".