50043239 has 4 divisors (see below), whose sum is σ = 52219056. Its totient is φ = 47867424.

The previous prime is 50043233. The next prime is 50043251. The reversal of 50043239 is 93234005.

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-50043239 is a prime.

It is a super-2 number, since 2×50043239² = 5008651539222242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50043233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087874 + ... + 1087919.

It is an arithmetic number, because the mean of its divisors is an integer number (13054764).

Almost surely, 2^50043239 is an apocalyptic number.

50043239 is a deficient number, since it is larger than the sum of its proper divisors (2175817).

50043239 is a wasteful number, since it uses less digits than its factorization.

50043239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175816.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 50043239 is about 7074.1246101550. The cubic root of 50043239 is about 368.5093151587.

The spelling of 50043239 in words is "fifty million, forty-three thousand, two hundred thirty-nine".