505005000055 has 16 divisors (see below), whose sum is σ = 611609882400. Its totient is φ = 400268615040.

The previous prime is 505005000047. The next prime is 505005000091. The reversal of 505005000055 is 550000500505.

It is not a de Polignac number, because 505005000055 - 2³ = 505005000047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505004999993 and 505005000029.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10626136 + ... + 10673554.

It is an arithmetic number, because the mean of its divisors is an integer number (38225617650).

Almost surely, 2^505005000055 is an apocalyptic number.

505005000055 is a deficient number, since it is larger than the sum of its proper divisors (106604882345).

505005000055 is a wasteful number, since it uses less digits than its factorization.

505005000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67074.

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

The spelling of 505005000055 in words is "five hundred five billion, five million, fifty-five", and thus it is an aban number.