50931 has 6 divisors (see below), whose sum is σ = 73580. Its totient is φ = 33948.

The previous prime is 50929. The next prime is 50951. The reversal of 50931 is 13905.

It is not a de Polignac number, because 50931 - 2¹ = 50929 is a prime.

It is a super-2 number, since 2×50931² = 5187933522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (50951) 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, 2821 + ... + 2838.

2⁵⁰⁹³¹ is an apocalyptic number.

50931 is a deficient number, since it is larger than the sum of its proper divisors (22649).

50931 is a wasteful number, since it uses less digits than its factorization.

50931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665 (or 5662 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 50931 is about 225.6789755383. The cubic root of 50931 is about 37.0675658535.

The spelling of 50931 in words is "fifty thousand, nine hundred thirty-one".