50189664 has 48 divisors (see below), whose sum is σ = 150571008. Its totient is φ = 14339712.

The previous prime is 50189647. The next prime is 50189693. The reversal of 50189664 is 46698105.

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

It is a congruent number.

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, 36672 + ... + 38015.

It is an arithmetic number, because the mean of its divisors is an integer number (3136896).

Almost surely, 2^50189664 is an apocalyptic number.

It is an amenable number.

50189664 is an abundant number, since it is smaller than the sum of its proper divisors (100381344).

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

50189664 is a wasteful number, since it uses less digits than its factorization.

50189664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74707 (or 74699 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 50189664 is about 7084.4663878093. The cubic root of 50189664 is about 368.8683808752.

The spelling of 50189664 in words is "fifty million, one hundred eighty-nine thousand, six hundred sixty-four".