50535891 has 24 divisors (see below), whose sum is σ = 84371040. Its totient is φ = 28550016.

The previous prime is 50535887. The next prime is 50535911. The reversal of 50535891 is 19853505.

It is a happy number.

50535891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50535891 - 2² = 50535887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50535811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1101 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (3515460).

Almost surely, 2^50535891 is an apocalyptic number.

50535891 is a deficient number, since it is larger than the sum of its proper divisors (33835149).

50535891 is a wasteful number, since it uses less digits than its factorization.

50535891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115 (or 9112 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 50535891 is about 7108.8600351955. The cubic root of 50535891 is about 369.7146350924.

The spelling of 50535891 in words is "fifty million, five hundred thirty-five thousand, eight hundred ninety-one".