50091912 has 64 divisors (see below), whose sum is σ = 149856000. Its totient is φ = 15412032.

The previous prime is 50091901. The next prime is 50091913. The reversal of 50091912 is 21919005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50091913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6112 + ... + 11727.

It is an arithmetic number, because the mean of its divisors is an integer number (2341500).

Almost surely, 2^50091912 is an apocalyptic number.

50091912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50091912 is an abundant number, since it is smaller than the sum of its proper divisors (99764088).

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

50091912 is a wasteful number, since it uses less digits than its factorization.

50091912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17867 (or 17857 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 50091912 is about 7077.5639877009. The cubic root of 50091912 is about 368.6287494871.

The spelling of 50091912 in words is "fifty million, ninety-one thousand, nine hundred twelve".