50536531 has 6 divisors (see below), whose sum is σ = 52340132. Its totient is φ = 48793080.

The previous prime is 50536517. The next prime is 50536553. The reversal of 50536531 is 13563505.

It is a happy number.

It is not a de Polignac number, because 50536531 - 2¹⁵ = 50503763 is a prime.

It is a super-2 number, since 2×50536531² = 5107881931027922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50536531.

It is not an unprimeable number, because it can be changed into a prime (50536331) 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, 29205 + ... + 30886.

Almost surely, 2^50536531 is an apocalyptic number.

50536531 is a deficient number, since it is larger than the sum of its proper divisors (1803601).

50536531 is an equidigital number, since it uses as much as digits as its factorization.

50536531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60149 (or 60120 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 50536531 is about 7108.9050493026. The cubic root of 50536531 is about 369.7161958074.

The spelling of 50536531 in words is "fifty million, five hundred thirty-six thousand, five hundred thirty-one".