50523831 has 48 divisors (see below), whose sum is σ = 82467840. Its totient is φ = 30792960.

The previous prime is 50523827. The next prime is 50523841. The reversal of 50523831 is 13832505.

It is not a de Polignac number, because 50523831 - 2² = 50523827 is a prime.

It is a super-2 number, since 2×50523831² = 5105314997833122, 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 = 50523795 and 50523804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50523821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142951 + ... + 143303.

It is an arithmetic number, because the mean of its divisors is an integer number (1718080).

Almost surely, 2^50523831 is an apocalyptic number.

50523831 is a deficient number, since it is larger than the sum of its proper divisors (31944009).

50523831 is a wasteful number, since it uses less digits than its factorization.

50523831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 50523831 is about 7108.0117473172. The cubic root of 50523831 is about 369.6852229054.

It can be divided in two parts, 505 and 23831, that added together give a square (24336 = 156²).

The spelling of 50523831 in words is "fifty million, five hundred twenty-three thousand, eight hundred thirty-one".