| Base | Representation |
|---|---|
| bin | 1010001111101101… |
| … | …11101000011101100 |
| 3 | 112012100021011121210 |
| 4 | 11013312331003230 |
| 5 | 42231120234000 |
| 6 | 2305451554420 |
| 7 | 253210643646 |
| oct | 50766750354 |
| 9 | 15170234553 |
| 10 | 5500555500 |
| 11 | 2372a13840 |
| 12 | 109615ba10 |
| 13 | 69877978b |
| 14 | 3a275d896 |
| 15 | 222d7e350 |
| hex | 147dbd0ec |
5500555500 has 96 divisors (see below), whose sum is σ = 17473817088. Its totient is φ = 1333464000.
The previous prime is 5500555469. The next prime is 5500555507. The reversal of 5500555500 is 55550055.
It is a super-2 number, since 2×55005555002 = 60512221617160500000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a zygodrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (5500555507) 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 31 ways as a sum of consecutive naturals, for example, 150184 + ... + 183183.
It is an arithmetic number, because the mean of its divisors is an integer number (182018928).
Almost surely, 25500555500 is an apocalyptic number.
5500555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
5500555500 is an abundant number, since it is smaller than the sum of its proper divisors (11973261588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5500555500 is a wasteful number, since it uses less digits than its factorization.
5500555500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333400 (or 333388 counting only the distinct ones).
The product of its (nonzero) digits is 15625, while the sum is 30.
The square root of 5500555500 is about 74165.7299566316. The cubic root of 5500555500 is about 1765.2335931927.
Subtracting from 5500555500 its reverse (55550055), we obtain a palindrome (5445005445).
It can be divided in two parts, 5500555 and 500, that added together give a palindrome (5501055).
The spelling of 5500555500 in words is "five billion, five hundred million, five hundred fifty-five thousand, five hundred".
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