5505005005550 has 24 divisors (see below), whose sum is σ = 10304527855656. Its totient is φ = 2187976508640.

The previous prime is 5505005005543. The next prime is 5505005005559. The reversal of 5505005005550 is 555005005055.

It is a super-2 number, since 2×5505005005550² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5505005005550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505005005559) 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, 350629412 + ... + 350645111.

It is an arithmetic number, because the mean of its divisors is an integer number (429355327319).

Almost surely, 2^{5505005005550} is an apocalyptic number.

5505005005550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5505005005550 is a deficient number, since it is larger than the sum of its proper divisors (4799522850106).

5505005005550 is a wasteful number, since it uses less digits than its factorization.

5505005005550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701274692 (or 701274687 counting only the distinct ones).

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

The spelling of 5505005005550 in words is "five trillion, five hundred five billion, five million, five thousand, five hundred fifty".