50728608 has 72 divisors (see below), whose sum is σ = 164874528. Its totient is φ = 14493312.

The previous prime is 50728597. The next prime is 50728609. The reversal of 50728608 is 80682705.

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 not an unprimeable number, because it can be changed into a prime (50728609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10566 + ... + 14597.

It is an arithmetic number, because the mean of its divisors is an integer number (2289924).

Almost surely, 2^50728608 is an apocalyptic number.

It is an amenable number.

50728608 is an abundant number, since it is smaller than the sum of its proper divisors (114145920).

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

50728608 is a wasteful number, since it uses less digits than its factorization.

50728608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25186 (or 25175 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 50728608 is about 7122.4018420755. The cubic root of 50728608 is about 370.1840039250.

The spelling of 50728608 in words is "fifty million, seven hundred twenty-eight thousand, six hundred eight".