50631 has 8 divisors (see below), whose sum is σ = 77184. Its totient is φ = 28920.

The previous prime is 50627. The next prime is 50647. The reversal of 50631 is 13605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50631 - 2² = 50627 is a prime.

It is a super-2 number, since 2×50631² = 5126996322, which contains 22 as substring.

50631 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 50631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 1226.

It is an arithmetic number, because the mean of its divisors is an integer number (9648).

2⁵⁰⁶³¹ is an apocalyptic number.

50631 is a deficient number, since it is larger than the sum of its proper divisors (26553).

50631 is a wasteful number, since it uses less digits than its factorization.

50631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 50631 is about 225.0133329383. The cubic root of 50631 is about 36.9946425162.

Adding to 50631 its product of nonzero digits (90), we get a triangular number (50721 = T₃₁₈).

The spelling of 50631 in words is "fifty thousand, six hundred thirty-one".