5550550550505 has 32 divisors (see below), whose sum is σ = 10207909065600. Its totient is φ = 2858214534336.

The previous prime is 5550550550477. The next prime is 5550550550513. The reversal of 5550550550505 is 5050550550555.

It is not a de Polignac number, because 5550550550505 - 2⁵ = 5550550550473 is a prime.

It is a super-2 number, since 2×5550550550505² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 31 ways as a sum of consecutive naturals, for example, 708878659 + ... + 708886488.

It is an arithmetic number, because the mean of its divisors is an integer number (318997158300).

Almost surely, 2^{5550550550505} is an apocalyptic number.

It is an amenable number.

5550550550505 is a deficient number, since it is larger than the sum of its proper divisors (4657358515095).

5550550550505 is a wasteful number, since it uses less digits than its factorization.

5550550550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417765190 (or 1417765184 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 5550550550505 in words is "five trillion, five hundred fifty billion, five hundred fifty million, five hundred fifty thousand, five hundred five".