5550505550 has 12 divisors (see below), whose sum is σ = 10323940416. Its totient is φ = 2220202200.

The previous prime is 5550505517. The next prime is 5550505573. The reversal of 5550505550 is 555050555.

It is a super-2 number, since 2×5550505550² = 61616223721161605000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5550505550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55505006 + ... + 55505105.

It is an arithmetic number, because the mean of its divisors is an integer number (860328368).

Almost surely, 2^5550505550 is an apocalyptic number.

5550505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5550505550 is a deficient number, since it is larger than the sum of its proper divisors (4773434866).

5550505550 is a wasteful number, since it uses less digits than its factorization.

5550505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010123 (or 111010118 counting only the distinct ones).

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

The square root of 5550505550 is about 74501.7150809295. The cubic root of 5550505550 is about 1770.5608094513.

The spelling of 5550505550 in words is "five billion, five hundred fifty million, five hundred five thousand, five hundred fifty".