5549731659 has 16 divisors (see below), whose sum is σ = 8396759040. Its totient is φ = 3621100680.

The previous prime is 5549731619. The next prime is 5549731667. The reversal of 5549731659 is 9561379455.

5549731659 is a `hidden beast` number, since 5 + 549 + 7 + 31 + 65 + 9 = 666.

It is not a de Polignac number, because 5549731659 - 2¹² = 5549727563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5549731609) by changing a digit.

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, 2185387 + ... + 2187924.

It is an arithmetic number, because the mean of its divisors is an integer number (524797440).

Almost surely, 2^5549731659 is an apocalyptic number.

5549731659 is a deficient number, since it is larger than the sum of its proper divisors (2847027381).

5549731659 is a wasteful number, since it uses less digits than its factorization.

5549731659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373367 (or 4373361 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 54.

The square root of 5549731659 is about 74496.5211201167. The cubic root of 5549731659 is about 1770.4785175622.

The spelling of 5549731659 in words is "five billion, five hundred forty-nine million, seven hundred thirty-one thousand, six hundred fifty-nine".