50390928 has 60 divisors (see below), whose sum is σ = 161174208. Its totient is φ = 14397120.

The previous prime is 50390917. The next prime is 50390947. The reversal of 50390928 is 82909305.

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 = 50390892 and 50390901.

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, 23988 + ... + 26003.

Almost surely, 2^50390928 is an apocalyptic number.

It is an amenable number.

50390928 is an abundant number, since it is smaller than the sum of its proper divisors (110783280).

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

50390928 is a wasteful number, since it uses less digits than its factorization.

50390928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50012 (or 50003 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 50390928 is about 7098.6567743482. The cubic root of 50390928 is about 369.3607857826.

The spelling of 50390928 in words is "fifty million, three hundred ninety thousand, nine hundred twenty-eight".