5050500721 has 16 divisors (see below), whose sum is σ = 5860835200. Its totient is φ = 4262865408.

The previous prime is 5050500691. The next prime is 5050500733. The reversal of 5050500721 is 1270050505.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5050500721 - 2⁷ = 5050500593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5050501721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104065 + ... + 144673.

It is an arithmetic number, because the mean of its divisors is an integer number (366302200).

Almost surely, 2^5050500721 is an apocalyptic number.

It is an amenable number.

5050500721 is a deficient number, since it is larger than the sum of its proper divisors (810334479).

5050500721 is a wasteful number, since it uses less digits than its factorization.

5050500721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40888.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 5050500721 is about 71066.8749910955. The cubic root of 5050500721 is about 1715.7136737394.

The spelling of 5050500721 in words is "five billion, fifty million, five hundred thousand, seven hundred twenty-one".