50018879 has 4 divisors (see below), whose sum is σ = 52961184. Its totient is φ = 47076576.

The previous prime is 50018873. The next prime is 50018953. The reversal of 50018879 is 97881005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97881005 = 5 ⋅19576201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50018879 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 (50018873) 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, 1471127 + ... + 1471160.

It is an arithmetic number, because the mean of its divisors is an integer number (13240296).

Almost surely, 2^50018879 is an apocalyptic number.

50018879 is a deficient number, since it is larger than the sum of its proper divisors (2942305).

50018879 is a wasteful number, since it uses less digits than its factorization.

50018879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942304.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 50018879 is about 7072.4026327691. The cubic root of 50018879 is about 368.4495112499.

The spelling of 50018879 in words is "fifty million, eighteen thousand, eight hundred seventy-nine".