50215728 has 40 divisors (see below), whose sum is σ = 130005568. Its totient is φ = 16702272.

The previous prime is 50215723. The next prime is 50215741. The reversal of 50215728 is 82751205.

It is a junction number, because it is equal to n+sod(n) for n = 50215695 and 50215704.

It is not an unprimeable number, because it can be changed into a prime (50215723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30051 + ... + 31677.

Almost surely, 2^50215728 is an apocalyptic number.

It is an amenable number.

50215728 is an abundant number, since it is smaller than the sum of its proper divisors (79789840).

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

50215728 is a wasteful number, since it uses less digits than its factorization.

50215728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 50215728 is about 7086.3056665656. The cubic root of 50215728 is about 368.9322221854.

The spelling of 50215728 in words is "fifty million, two hundred fifteen thousand, seven hundred twenty-eight".