5507 is a natural number that follows 5506 and precedes 5508. It is a prime number, meaning it has no positive divisors other than 1 and itself. It is congruent to 3 modulo 4, since 5507 ≡ 3 (mod 4). As a prime of the form 4k+3, it cannot be expressed as the sum of two integer squares. In hex, 5507 equals 0x1583, and in binary it is 1010110000011. The decimal digits sum to 17, so the number is not divisible by 3. ---