50521620 has 48 divisors (see below), whose sum is σ = 149784768. Its totient is φ = 12679680.

The previous prime is 50521619. The next prime is 50521631. The reversal of 50521620 is 2612505.

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, 23746 + ... + 25785.

It is an arithmetic number, because the mean of its divisors is an integer number (3120516).

Almost surely, 2^50521620 is an apocalyptic number.

It is an amenable number.

50521620 is an abundant number, since it is smaller than the sum of its proper divisors (99263148).

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

50521620 is a wasteful number, since it uses less digits than its factorization.

50521620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49560 (or 49558 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 50521620 is about 7107.8562168913. The cubic root of 50521620 is about 369.6798301635.

The spelling of 50521620 in words is "fifty million, five hundred twenty-one thousand, six hundred twenty".