50961231 has 12 divisors (see below), whose sum is σ = 76337352. Its totient is φ = 33973992.

The previous prime is 50961203. The next prime is 50961233. The reversal of 50961231 is 13216905.

It is not a de Polignac number, because 50961231 - 2⁵ = 50961199 is a prime.

It is a super-2 number, since 2×50961231² = 5194094130070722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50961195 and 50961204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50961233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104616 + ... + 105101.

It is an arithmetic number, because the mean of its divisors is an integer number (6361446).

Almost surely, 2^50961231 is an apocalyptic number.

50961231 is a deficient number, since it is larger than the sum of its proper divisors (25376121).

50961231 is an equidigital number, since it uses as much as digits as its factorization.

50961231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209732 (or 209720 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 50961231 is about 7138.7135395672. The cubic root of 50961231 is about 370.7489844038.

The spelling of 50961231 in words is "fifty million, nine hundred sixty-one thousand, two hundred thirty-one".