50408928 has 72 divisors (see below), whose sum is σ = 144039168. Its totient is φ = 16722432.

The previous prime is 50408899. The next prime is 50408933. The reversal of 50408928 is 82980405.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50408892 and 50408901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110076 + ... + 110532.

It is an arithmetic number, because the mean of its divisors is an integer number (2000544).

Almost surely, 2^50408928 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 50408928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72019584).

50408928 is an abundant number, since it is smaller than the sum of its proper divisors (93630240).

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

50408928 is a wasteful number, since it uses less digits than its factorization.

50408928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 50408928 is about 7099.9245066409. The cubic root of 50408928 is about 369.4047599855.

The spelling of 50408928 in words is "fifty million, four hundred eight thousand, nine hundred twenty-eight".