50638164 has 12 divisors (see below), whose sum is σ = 118155744. Its totient is φ = 16879384.

The previous prime is 50638151. The next prime is 50638201. The reversal of 50638164 is 46183605.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109912 + ... + 2109935.

It is an arithmetic number, because the mean of its divisors is an integer number (9846312).

Almost surely, 2^50638164 is an apocalyptic number.

It is an amenable number.

50638164 is an abundant number, since it is smaller than the sum of its proper divisors (67517580).

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

50638164 is a wasteful number, since it uses less digits than its factorization.

50638164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219854 (or 4219852 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 50638164 is about 7116.0497468750. The cubic root of 50638164 is about 369.9638727814.

The spelling of 50638164 in words is "fifty million, six hundred thirty-eight thousand, one hundred sixty-four".