550566516550 has 12 divisors (see below), whose sum is σ = 1024053720876. Its totient is φ = 220226606600.

The previous prime is 550566516547. The next prime is 550566516553. The reversal of 550566516550 is 55615665055.

It is an interprime number because it is at equal distance from previous prime (550566516547) and next prime (550566516553).

It is a junction number, because it is equal to n+sod(n) for n = 550566516494 and 550566516503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550566516553) 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, 5505665116 + ... + 5505665215.

It is an arithmetic number, because the mean of its divisors is an integer number (85337810073).

Almost surely, 2^550566516550 is an apocalyptic number.

550566516550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550566516550 is a deficient number, since it is larger than the sum of its proper divisors (473487204326).

550566516550 is a wasteful number, since it uses less digits than its factorization.

550566516550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011330343 (or 11011330338 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 550566516550 in words is "five hundred fifty billion, five hundred sixty-six million, five hundred sixteen thousand, five hundred fifty".