50043839 has 4 divisors (see below), whose sum is σ = 50202024. Its totient is φ = 49885656.

The previous prime is 50043823. The next prime is 50043857. The reversal of 50043839 is 93834005.

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

It is not a de Polignac number, because 50043839 - 2⁴ = 50043823 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 (50043809) 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, 78617 + ... + 79250.

It is an arithmetic number, because the mean of its divisors is an integer number (12550506).

Almost surely, 2^50043839 is an apocalyptic number.

50043839 is a deficient number, since it is larger than the sum of its proper divisors (158185).

50043839 is a wasteful number, since it uses less digits than its factorization.

50043839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158184.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 50043839 is about 7074.1670181018. The cubic root of 50043839 is about 368.5107879164.

The spelling of 50043839 in words is "fifty million, forty-three thousand, eight hundred thirty-nine".