5515541500 has 48 divisors (see below), whose sum is σ = 13766800320. Its totient is φ = 1891041600.

The previous prime is 5515541491. The next prime is 5515541527. The reversal of 5515541500 is 51455155.

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 15 ways as a sum of consecutive naturals, for example, 784435 + ... + 791434.

It is an arithmetic number, because the mean of its divisors is an integer number (286808340).

Almost surely, 2^5515541500 is an apocalyptic number.

5515541500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5515541500 is an abundant number, since it is smaller than the sum of its proper divisors (8251258820).

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

5515541500 is a wasteful number, since it uses less digits than its factorization.

5515541500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575895 (or 1575883 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 5515541500 is about 74266.6917265068. The cubic root of 5515541500 is about 1766.8352376627.

Adding to 5515541500 its reverse (51455155), we get a palindrome (5566996655).

The spelling of 5515541500 in words is "five billion, five hundred fifteen million, five hundred forty-one thousand, five hundred".