5505105505550 has 36 divisors (see below), whose sum is σ = 11911250733840. Its totient is φ = 1887464743920.

The previous prime is 5505105505477. The next prime is 5505105505567. The reversal of 5505105505550 is 555055015055.

It is a super-4 number, since 4×5505105505550⁴ (a number of 52 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5505105505498 and 5505105505507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1123488470 + ... + 1123493369.

It is an arithmetic number, because the mean of its divisors is an integer number (330868075940).

Almost surely, 2^{5505105505550} is an apocalyptic number.

5505105505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5505105505550 is an abundant number, since it is smaller than the sum of its proper divisors (6406145228290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5505105505550 is a wasteful number, since it uses less digits than its factorization.

5505105505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246981865 (or 2246981853 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 41.

The spelling of 5505105505550 in words is "five trillion, five hundred five billion, one hundred five million, five hundred five thousand, five hundred fifty".