5515688943 has 12 divisors (see below), whose sum is σ = 7969224120. Its totient is φ = 3676148496.

The previous prime is 5515688939. The next prime is 5515688953. The reversal of 5515688943 is 3498865155.

5515688943 is a `hidden beast` number, since 5 + 515 + 6 + 8 + 89 + 43 = 666.

It is not a de Polignac number, because 5515688943 - 2² = 5515688939 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5515688943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515688953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44853 + ... + 114206.

It is an arithmetic number, because the mean of its divisors is an integer number (664102010).

Almost surely, 2^5515688943 is an apocalyptic number.

5515688943 is a deficient number, since it is larger than the sum of its proper divisors (2453535177).

5515688943 is a wasteful number, since it uses less digits than its factorization.

5515688943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162918 (or 162915 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The square root of 5515688943 is about 74267.6843788737. The cubic root of 5515688943 is about 1766.8509813672.

The spelling of 5515688943 in words is "five billion, five hundred fifteen million, six hundred eighty-eight thousand, nine hundred forty-three".