5518385500 has 24 divisors (see below), whose sum is σ = 12052155024. Its totient is φ = 2207354000.

The previous prime is 5518385497. The next prime is 5518385549. The reversal of 5518385500 is 55838155.

It is a super-3 number, since 3×5518385500³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5517886 + ... + 5518885.

It is an arithmetic number, because the mean of its divisors is an integer number (502173126).

Almost surely, 2^5518385500 is an apocalyptic number.

5518385500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5518385500 is an abundant number, since it is smaller than the sum of its proper divisors (6533769524).

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

5518385500 is a wasteful number, since it uses less digits than its factorization.

5518385500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11036790 (or 11036778 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 40.

The square root of 5518385500 is about 74285.8364696797. The cubic root of 5518385500 is about 1767.1388655113.

The spelling of 5518385500 in words is "five billion, five hundred eighteen million, three hundred eighty-five thousand, five hundred".