550550500550 has 24 divisors (see below), whose sum is σ = 1039307876616. Its totient is φ = 216933330240.

The previous prime is 550550500543. The next prime is 550550500553. The reversal of 550550500550 is 55005055055.

550550500550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 550550500550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550550500553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82168367 + ... + 82175066.

It is an arithmetic number, because the mean of its divisors is an integer number (43304494859).

Almost surely, 2^550550500550 is an apocalyptic number.

550550500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550550500550 is a deficient number, since it is larger than the sum of its proper divisors (488757376066).

550550500550 is a wasteful number, since it uses less digits than its factorization.

550550500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164343512 (or 164343507 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 550550500550 in words is "five hundred fifty billion, five hundred fifty million, five hundred thousand, five hundred fifty".