50039 has 4 divisors (see below), whose sum is σ = 54600. Its totient is φ = 45480.

The previous prime is 50033. The next prime is 50047. The reversal of 50039 is 93005.

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

It is a cyclic number.

It is not a de Polignac number, because 50039 - 2⁴ = 50023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49999 and 50026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50033) 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, 2264 + ... + 2285.

It is an arithmetic number, because the mean of its divisors is an integer number (13650).

2⁵⁰⁰³⁹ is an apocalyptic number.

50039 is a deficient number, since it is larger than the sum of its proper divisors (4561).

50039 is a wasteful number, since it uses less digits than its factorization.

50039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 50039 is about 223.6939874024. The cubic root of 50039 is about 36.8498909790.

The spelling of 50039 in words is "fifty thousand, thirty-nine".