50638864 has 40 divisors (see below), whose sum is σ = 101645280. Its totient is φ = 24423168.

The previous prime is 50638831. The next prime is 50638871. The reversal of 50638864 is 46883605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60819 + ... + 61645.

It is an arithmetic number, because the mean of its divisors is an integer number (2541132).

Almost surely, 2^50638864 is an apocalyptic number.

It is an amenable number.

50638864 is an abundant number, since it is smaller than the sum of its proper divisors (51006416).

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

50638864 is a wasteful number, since it uses less digits than its factorization.

50638864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 50638864 is about 7116.0989312966. The cubic root of 50638864 is about 369.9655775135.

The spelling of 50638864 in words is "fifty million, six hundred thirty-eight thousand, eight hundred sixty-four".