50405628 has 96 divisors (see below), whose sum is σ = 149524480. Its totient is φ = 12856320.

The previous prime is 50405609. The next prime is 50405639. The reversal of 50405628 is 82650405.

It is a junction number, because it is equal to n+sod(n) for n = 50405595 and 50405604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33108 + ... + 34596.

Almost surely, 2^50405628 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 50405628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74762240).

50405628 is an abundant number, since it is smaller than the sum of its proper divisors (99118852).

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

50405628 is a wasteful number, since it uses less digits than its factorization.

50405628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 50405628 is about 7099.6921060001. The cubic root of 50405628 is about 369.3966988321.

The spelling of 50405628 in words is "fifty million, four hundred five thousand, six hundred twenty-eight".