500056728 has 64 divisors (see below), whose sum is σ = 1279488000. Its totient is φ = 162819072.

The previous prime is 500056703. The next prime is 500056729. The reversal of 500056728 is 827650005.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500056729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182553 + ... + 185271.

It is an arithmetic number, because the mean of its divisors is an integer number (19992000).

Almost surely, 2^500056728 is an apocalyptic number.

It is an amenable number.

500056728 is an abundant number, since it is smaller than the sum of its proper divisors (779431272).

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

500056728 is a wasteful number, since it uses less digits than its factorization.

500056728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 500056728 is about 22361.9482156631. The cubic root of 500056728 is about 793.7305415446.

The spelling of 500056728 in words is "five hundred million, fifty-six thousand, seven hundred twenty-eight".