550000500505 has 4 divisors (see below), whose sum is σ = 660000600612. Its totient is φ = 440000400400.

The previous prime is 550000500397. The next prime is 550000500559. The reversal of 550000500505 is 505005000055.

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 253294784656 + 296705715849 = 503284^2 + 544707^2 .

It is not a de Polignac number, because 550000500505 - 2¹³ = 550000492313 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 550000500505.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55000050046 + ... + 55000050055.

It is an arithmetic number, because the mean of its divisors is an integer number (165000150153).

Almost surely, 2^550000500505 is an apocalyptic number.

It is an amenable number.

550000500505 is a deficient number, since it is larger than the sum of its proper divisors (110000100107).

550000500505 is a wasteful number, since it uses less digits than its factorization.

550000500505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110000100106.

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

The spelling of 550000500505 in words is "five hundred fifty billion, five hundred thousand, five hundred five".