500005005505 has 4 divisors (see below), whose sum is σ = 600006006612. Its totient is φ = 400004004400.

The previous prime is 500005005463. The next prime is 500005005527. The reversal of 500005005505 is 505500500005.

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 140157389376 + 359847616129 = 374376^2 + 599873^2 .

It is not a de Polignac number, because 500005005505 - 2³⁷ = 362566052033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 500005005505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50000500546 + ... + 50000500555.

It is an arithmetic number, because the mean of its divisors is an integer number (150001501653).

Almost surely, 2^500005005505 is an apocalyptic number.

It is an amenable number.

500005005505 is a deficient number, since it is larger than the sum of its proper divisors (100001001107).

500005005505 is a wasteful number, since it uses less digits than its factorization.

500005005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100001001106.

The product of its (nonzero) digits is 3125, while the sum is 25.

It can be divided in two parts, 50000 and 5005505, that added together give a palindrome (5055505).

The spelling of 500005005505 in words is "five hundred billion, five million, five thousand, five hundred five".