500550505065 has 80 divisors (see below), whose sum is σ = 967403340288.
Its totient is φ = 246144749184.
The previous prime is 500550505061. The next prime is 500550505067. The reversal of 500550505065 is 560505055005.
500550505065 is a `hidden beast` number, since 5 + 0 + 0 + 550 + 50 + 50 + 6 + 5 = 666.
It is not a de Polignac number, because 500550505065 - 22 = 500550505061 is a prime.
It is not an unprimeable number, because it can be changed into a prime (500550505061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4616464 + ... + 4723646.
Almost surely, 2500550505065 is an apocalyptic number.
It is an amenable number.
500550505065 is a deficient number, since it is larger than the sum of its proper divisors (466852835223).
500550505065 is a wasteful number, since it uses less digits than its factorization.
500550505065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108100 (or 108091 counting only the distinct ones).
The product of its (nonzero) digits is 93750, while the sum is 36.
The spelling of 500550505065 in words is "five hundred billion, five hundred fifty million, five hundred five thousand, sixty-five".