550355255123 has 6 divisors (see below), whose sum is σ = 551229231492. Its totient is φ = 549482662260.

The previous prime is 550355255081. The next prime is 550355255141. The reversal of 550355255123 is 321552553055.

550355255123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550355255123 - 2¹⁴ = 550355238739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550355255183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292961 + ... + 1089282.

It is an arithmetic number, because the mean of its divisors is an integer number (91871538582).

Almost surely, 2^550355255123 is an apocalyptic number.

550355255123 is a deficient number, since it is larger than the sum of its proper divisors (873976369).

550355255123 is an frugal number, since it uses more digits than its factorization.

550355255123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383505 (or 1382874 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 41.

The spelling of 550355255123 in words is "five hundred fifty billion, three hundred fifty-five million, two hundred fifty-five thousand, one hundred twenty-three".