505500550504 has 16 divisors (see below), whose sum is σ = 948112668900. Its totient is φ = 252670505472.

The previous prime is 505500550441. The next prime is 505500550547. The reversal of 505500550504 is 405055005505.

It can be written as a sum of positive squares in 2 ways, for example, as 498297633604 + 7202916900 = 705902^2 + 84870^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 505500550504.

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 3 ways as a sum of consecutive naturals, for example, 9944287 + ... + 9994990.

Almost surely, 2^505500550504 is an apocalyptic number.

It is an amenable number.

505500550504 is a deficient number, since it is larger than the sum of its proper divisors (442612118396).

505500550504 is a wasteful number, since it uses less digits than its factorization.

505500550504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19942452 (or 19942448 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 505500550504 in words is "five hundred five billion, five hundred million, five hundred fifty thousand, five hundred four".