5550555550505 has 64 divisors (see below), whose sum is σ = 7712447201280. Its totient is φ = 3756312403200.

The previous prime is 5550555550489. The next prime is 5550555550517. The reversal of 5550555550505 is 5050555550555.

It is not a de Polignac number, because 5550555550505 - 2⁴ = 5550555550489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1843424450 + ... + 1843427460.

It is an arithmetic number, because the mean of its divisors is an integer number (120506987520).

Almost surely, 2^{5550555550505} is an apocalyptic number.

It is an amenable number.

5550555550505 is a deficient number, since it is larger than the sum of its proper divisors (2161891650775).

5550555550505 is a wasteful number, since it uses less digits than its factorization.

5550555550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190.

The product of its (nonzero) digits is 9765625, while the sum is 50.

Adding to 5550555550505 its sum of digits (50), we get a palindrome (5550555550555).

The spelling of 5550555550505 in words is "five trillion, five hundred fifty billion, five hundred fifty-five million, five hundred fifty thousand, five hundred five".