550605055111 has 4 divisors (see below), whose sum is σ = 552268514824. Its totient is φ = 548941595400.

The previous prime is 550605055087. The next prime is 550605055193. The reversal of 550605055111 is 111550506055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550605055111 - 2¹⁵ = 550605022343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550605055711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831729360 + ... + 831730021.

It is an arithmetic number, because the mean of its divisors is an integer number (138067128706).

Almost surely, 2^550605055111 is an apocalyptic number.

550605055111 is a deficient number, since it is larger than the sum of its proper divisors (1663459713).

550605055111 is a wasteful number, since it uses less digits than its factorization.

550605055111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663459712.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 550605055111 in words is "five hundred fifty billion, six hundred five million, fifty-five thousand, one hundred eleven".