5518530800 has 30 divisors (see below), whose sum is σ = 13258271208. Its totient is φ = 2207412160.

The previous prime is 5518530761. The next prime is 5518530811. The reversal of 5518530800 is 80358155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6897764 + ... + 6898563.

Almost surely, 2^5518530800 is an apocalyptic number.

5518530800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5518530800 is an abundant number, since it is smaller than the sum of its proper divisors (7739740408).

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

5518530800 is a wasteful number, since it uses less digits than its factorization.

5518530800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13796345 (or 13796334 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 5518530800 is about 74286.8144424029. The cubic root of 5518530800 is about 1767.1543750610.

Adding to 5518530800 its reverse (80358155), we get a palindrome (5598888955).

The spelling of 5518530800 in words is "five billion, five hundred eighteen million, five hundred thirty thousand, eight hundred".