550505555555 has 8 divisors (see below), whose sum is σ = 667147327344. Its totient is φ = 436044004000.

The previous prime is 550505555531. The next prime is 550505555569. The reversal of 550505555555 is 555555505055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550505555555 - 2¹⁶ = 550505490019 is a prime.

It is a Duffinian number.

550505555555 is a modest number, since divided by 555555 gives 550505 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545054501 + ... + 545055510.

It is an arithmetic number, because the mean of its divisors is an integer number (83393415918).

Almost surely, 2^550505555555 is an apocalyptic number.

550505555555 is a deficient number, since it is larger than the sum of its proper divisors (116641771789).

550505555555 is a wasteful number, since it uses less digits than its factorization.

550505555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090110117.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 550505555555 in words is "five hundred fifty billion, five hundred five million, five hundred fifty-five thousand, five hundred fifty-five".