5500556500 has 48 divisors (see below), whose sum is σ = 12037648896. Its totient is φ = 2195748000.

The previous prime is 5500556491. The next prime is 5500556507. The reversal of 5500556500 is 56550055.

It is a super-2 number, since 2×5500556500² = 60512243619384500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500556507) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 240565 + ... + 262435.

It is an arithmetic number, because the mean of its divisors is an integer number (250784352).

Almost surely, 2^5500556500 is an apocalyptic number.

5500556500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5500556500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6018824448).

5500556500 is an abundant number, since it is smaller than the sum of its proper divisors (6537092396).

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

5500556500 is a wasteful number, since it uses less digits than its factorization.

5500556500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22393 (or 22381 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 5500556500 is about 74165.7366982895. The cubic root of 5500556500 is about 1765.2337001658.

The spelling of 5500556500 in words is "five billion, five hundred million, five hundred fifty-six thousand, five hundred".