550505500556 has 18 divisors (see below), whose sum is σ = 1058926903860. Its totient is φ = 250229772760.

The previous prime is 550505500499. The next prime is 550505500627. The reversal of 550505500556 is 655005505055.

It is a super-2 number, since 2×550505500556² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568703546 + ... + 568704513.

Almost surely, 2^550505500556 is an apocalyptic number.

It is an amenable number.

550505500556 is a deficient number, since it is larger than the sum of its proper divisors (508421403304).

550505500556 is a wasteful number, since it uses less digits than its factorization.

550505500556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137408085 (or 1137408072 counting only the distinct ones).

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

The spelling of 550505500556 in words is "five hundred fifty billion, five hundred five million, five hundred thousand, five hundred fifty-six".