505505050556 has 12 divisors (see below), whose sum is σ = 965055096600. Its totient is φ = 229775022960.

The previous prime is 505505050549. The next prime is 505505050657. The reversal of 505505050556 is 655050505505.

It is a super-2 number, since 2×505505050556² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 5744375531 + ... + 5744375618.

It is an arithmetic number, because the mean of its divisors is an integer number (80421258050).

Almost surely, 2^505505050556 is an apocalyptic number.

It is an amenable number.

505505050556 is a deficient number, since it is larger than the sum of its proper divisors (459550046044).

505505050556 is a wasteful number, since it uses less digits than its factorization.

505505050556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11488751164 (or 11488751162 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 505505050556 in words is "five hundred five billion, five hundred five million, fifty thousand, five hundred fifty-six".