500005050085 has 4 divisors (see below), whose sum is σ = 600006060108. Its totient is φ = 400004040064.

The previous prime is 500005050067. The next prime is 500005050089. The reversal of 500005050085 is 580050500005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261000417924 + 239004632161 = 510882^2 + 488881^2 .

It is a cyclic number.

It is not a de Polignac number, because 500005050085 - 2²⁹ = 499468179173 is a prime.

It is a super-2 number, since 2×500005050085² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500005050089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50000505004 + ... + 50000505013.

It is an arithmetic number, because the mean of its divisors is an integer number (150001515027).

Almost surely, 2^500005050085 is an apocalyptic number.

It is an amenable number.

500005050085 is a deficient number, since it is larger than the sum of its proper divisors (100001010023).

500005050085 is a wasteful number, since it uses less digits than its factorization.

500005050085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100001010022.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 500005050085 in words is "five hundred billion, five million, fifty thousand, eighty-five".