550223533555 has 32 divisors (see below), whose sum is σ = 719215200000. Its totient is φ = 402503117184.

The previous prime is 550223533529. The next prime is 550223533583. The reversal of 550223533555 is 555335322055.

It is a cyclic number.

It is not a de Polignac number, because 550223533555 - 2²¹ = 550221436403 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9058476 + ... + 9119014.

It is an arithmetic number, because the mean of its divisors is an integer number (22475475000).

Almost surely, 2^550223533555 is an apocalyptic number.

550223533555 is a deficient number, since it is larger than the sum of its proper divisors (168991666445).

550223533555 is a wasteful number, since it uses less digits than its factorization.

550223533555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63891.

The product of its (nonzero) digits is 1687500, while the sum is 43.

The spelling of 550223533555 in words is "five hundred fifty billion, two hundred twenty-three million, five hundred thirty-three thousand, five hundred fifty-five".