505505000530 has 16 divisors (see below), whose sum is σ = 909918227160. Its totient is φ = 202199949952.

The previous prime is 505505000501. The next prime is 505505000543. The reversal of 505505000530 is 35000505505.

It can be written as a sum of positive squares in 4 ways, for example, as 243515601729 + 261989398801 = 493473^2 + 511849^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1143126 + ... + 1522414.

Almost surely, 2^505505000530 is an apocalyptic number.

505505000530 is a deficient number, since it is larger than the sum of its proper divisors (404413226630).

505505000530 is a wasteful number, since it uses less digits than its factorization.

505505000530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512573.

The product of its (nonzero) digits is 9375, while the sum is 28.

The spelling of 505505000530 in words is "five hundred five billion, five hundred five million, five hundred thirty", and thus it is an aban number.