50831904 has 48 divisors (see below), whose sum is σ = 141287328. Its totient is φ = 15946752.

The previous prime is 50831903. The next prime is 50831933. The reversal of 50831904 is 40913805.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (50831903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13942 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (2943486).

Almost surely, 2^50831904 is an apocalyptic number.

It is an amenable number.

50831904 is an abundant number, since it is smaller than the sum of its proper divisors (90455424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50831904 is a wasteful number, since it uses less digits than its factorization.

50831904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31177 (or 31169 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 50831904 is about 7129.6496407608. The cubic root of 50831904 is about 370.4350956550.

The spelling of 50831904 in words is "fifty million, eight hundred thirty-one thousand, nine hundred four".