500550550505 has 4 divisors (see below), whose sum is σ = 600660660612. Its totient is φ = 400440440400.

The previous prime is 500550550501. The next prime is 500550550529. The reversal of 500550550505 is 505055055005.

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 238492559449 + 262057991056 = 488357^2 + 511916^2 .

It is not a de Polignac number, because 500550550505 - 2² = 500550550501 is a prime.

It is a super-2 number, since 2×500550550505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500550550501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50055055046 + ... + 50055055055.

It is an arithmetic number, because the mean of its divisors is an integer number (150165165153).

Almost surely, 2^500550550505 is an apocalyptic number.

It is an amenable number.

500550550505 is a deficient number, since it is larger than the sum of its proper divisors (100110110107).

500550550505 is a wasteful number, since it uses less digits than its factorization.

500550550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100110110106.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 500550550505 in words is "five hundred billion, five hundred fifty million, five hundred fifty thousand, five hundred five".