50643912 has 32 divisors (see below), whose sum is σ = 138120480. Its totient is φ = 15346560.

The previous prime is 50643899. The next prime is 50644021. The reversal of 50643912 is 21934605.

It is a self number, because there is not a number n which added to its sum of digits gives 50643912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95653 + ... + 96180.

It is an arithmetic number, because the mean of its divisors is an integer number (4316265).

Almost surely, 2^50643912 is an apocalyptic number.

It is an amenable number.

50643912 is an abundant number, since it is smaller than the sum of its proper divisors (87476568).

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

50643912 is a wasteful number, since it uses less digits than its factorization.

50643912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191853 (or 191849 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 50643912 is about 7116.4536111746. The cubic root of 50643912 is about 369.9778706025.

The spelling of 50643912 in words is "fifty million, six hundred forty-three thousand, nine hundred twelve".