50665920 has 112 divisors (see below), whose sum is σ = 162946080. Its totient is φ = 13336576.

The previous prime is 50665919. The next prime is 50665931. The reversal of 50665920 is 2956605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85144 + ... + 85736.

Almost surely, 2^50665920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50665920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81473040).

50665920 is an abundant number, since it is smaller than the sum of its proper divisors (112280160).

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

50665920 is a wasteful number, since it uses less digits than its factorization.

50665920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 50665920 is about 7117.9997190222. Note that the first 3 decimals coincide. The cubic root of 50665920 is about 370.0314558112.

The spelling of 50665920 in words is "fifty million, six hundred sixty-five thousand, nine hundred twenty".