5505005550 has 96 divisors (see below), whose sum is σ = 15033216384. Its totient is φ = 1322032000.

The previous prime is 5505005531. The next prime is 5505005563. The reversal of 5505005550 is 555005055.

It is a super-2 number, since 2×5505005550² = 60610172211061605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160960 + ... + 192140.

It is an arithmetic number, because the mean of its divisors is an integer number (156596004).

Almost surely, 2^5505005550 is an apocalyptic number.

5505005550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5505005550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7516608192).

5505005550 is an abundant number, since it is smaller than the sum of its proper divisors (9528210834).

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

5505005550 is a wasteful number, since it uses less digits than its factorization.

5505005550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31314 (or 31309 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The square root of 5505005550 is about 74195.7246072845. The cubic root of 5505005550 is about 1765.7095002971.

The spelling of 5505005550 in words is "five billion, five hundred five million, five thousand, five hundred fifty".