5518

5518 is a natural number that follows 5517 and precedes 5519. In mathematics, it is an even composite number; its prime factorization is 2 × 31 × 89. The sum of its digits is 19, and it is not a prime or a perfect power.

In astronomy, 5518 is used as part of a sequential designation for a minor planet. When a body’s orbit is confirmed, it is assigned a number by the Minor Planet Center. The number 5518 identifies the object in question, which may later receive a formal name.

In other contexts, 5518 can serve as a route or service number, a model designation, or a postal code in various countries. As postal codes, four-digit forms exist in several systems, so the exact location associated with 5518 depends on the country.