50535531 has 24 divisors (see below), whose sum is σ = 76561056. Its totient is φ = 32060160.

The previous prime is 50535523. The next prime is 50535539. The reversal of 50535531 is 13553505.

It is an interprime number because it is at equal distance from previous prime (50535523) and next prime (50535539).

It is not a de Polignac number, because 50535531 - 2³ = 50535523 is a prime.

It is a super-2 number, since 2×50535531² = 5107679786903922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50535495 and 50535504.

It is not an unprimeable number, because it can be changed into a prime (50535539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49381 + ... + 50393.

It is an arithmetic number, because the mean of its divisors is an integer number (3190044).

Almost surely, 2^50535531 is an apocalyptic number.

50535531 is a deficient number, since it is larger than the sum of its proper divisors (26025525).

50535531 is a wasteful number, since it uses less digits than its factorization.

50535531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 50535531 is about 7108.8347146350. The cubic root of 50535531 is about 369.7137571845.

The spelling of 50535531 in words is "fifty million, five hundred thirty-five thousand, five hundred thirty-one".