505055555056 has 40 divisors (see below), whose sum is σ = 1059909348960. Its totient is φ = 231755133696.

The previous prime is 505055555051. The next prime is 505055555057. The reversal of 505055555056 is 650555550505.

It is a happy number.

It is a super-2 number, since 2×505055555056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505055554997 and 505055555015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505055555051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6981796 + ... + 7053763.

It is an arithmetic number, because the mean of its divisors is an integer number (26497733724).

Almost surely, 2^505055555056 is an apocalyptic number.

It is an amenable number.

505055555056 is an abundant number, since it is smaller than the sum of its proper divisors (554853793904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505055555056 is a wasteful number, since it uses less digits than its factorization.

505055555056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035753 (or 14035747 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 505055555056 in words is "five hundred five billion, fifty-five million, five hundred fifty-five thousand, fifty-six".