550005055556 has 12 divisors (see below), whose sum is σ = 1050009651600. Its totient is φ = 250002297960.

The previous prime is 550005055547. The next prime is 550005055603. The reversal of 550005055556 is 655550500055.

It is a super-4 number, since 4×550005055556⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6250057406 + ... + 6250057493.

It is an arithmetic number, because the mean of its divisors is an integer number (87500804300).

Almost surely, 2^550005055556 is an apocalyptic number.

It is an amenable number.

550005055556 is a deficient number, since it is larger than the sum of its proper divisors (500004596044).

550005055556 is a wasteful number, since it uses less digits than its factorization.

550005055556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500114914 (or 12500114912 counting only the distinct ones).

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

The spelling of 550005055556 in words is "five hundred fifty billion, five million, fifty-five thousand, five hundred fifty-six".