5539543168 has 16 divisors (see below), whose sum is σ = 11035808910. Its totient is φ = 2769771520.

The previous prime is 5539543151. The next prime is 5539543181. The reversal of 5539543168 is 8613459355.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5486661184 + 52881984 = 74072^2 + 7272^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21638713 + ... + 21638968.

Almost surely, 2^5539543168 is an apocalyptic number.

It is an amenable number.

5539543168 is a deficient number, since it is larger than the sum of its proper divisors (5496265742).

5539543168 is an equidigital number, since it uses as much as digits as its factorization.

5539543168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43277695 (or 43277683 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 49.

The square root of 5539543168 is about 74428.1073788659. The cubic root of 5539543168 is about 1769.3944078248.

The spelling of 5539543168 in words is "five billion, five hundred thirty-nine million, five hundred forty-three thousand, one hundred sixty-eight".