550551055560 has 128 divisors (see below), whose sum is σ = 1843706050560. Its totient is φ = 130363027200.

The previous prime is 550551055547. The next prime is 550551055589. The reversal of 550551055560 is 65550155055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4793056 + ... + 4906575.

It is an arithmetic number, because the mean of its divisors is an integer number (14403953520).

Almost surely, 2^550551055560 is an apocalyptic number.

It is an amenable number.

550551055560 is an abundant number, since it is smaller than the sum of its proper divisors (1293154995000).

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

550551055560 is a wasteful number, since it uses less digits than its factorization.

550551055560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9699699 (or 9699695 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 550551055560 in words is "five hundred fifty billion, five hundred fifty-one million, fifty-five thousand, five hundred sixty".