50728028 has 24 divisors (see below), whose sum is σ = 98689920. Its totient is φ = 22656960.

The previous prime is 50727977. The next prime is 50728031. The reversal of 50728028 is 82082705.

It is a junction number, because it is equal to n+sod(n) for n = 50727985 and 50728003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14123 + ... + 17346.

It is an arithmetic number, because the mean of its divisors is an integer number (4112080).

Almost surely, 2^50728028 is an apocalyptic number.

It is an amenable number.

50728028 is a deficient number, since it is larger than the sum of its proper divisors (47961892).

50728028 is a wasteful number, since it uses less digits than its factorization.

50728028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31517 (or 31515 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 50728028 is about 7122.3611253572. The cubic root of 50728028 is about 370.1825931002.

The spelling of 50728028 in words is "fifty million, seven hundred twenty-eight thousand, twenty-eight".