5549205639 has 16 divisors (see below), whose sum is σ = 7609641984. Its totient is φ = 3594840000.

The previous prime is 5549205619. The next prime is 5549205661. The reversal of 5549205639 is 9365029455.

It is a happy number.

It is not a de Polignac number, because 5549205639 - 2⁷ = 5549205511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5549205619) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 58999 + ... + 120744.

It is an arithmetic number, because the mean of its divisors is an integer number (475602624).

Almost surely, 2^5549205639 is an apocalyptic number.

5549205639 is a deficient number, since it is larger than the sum of its proper divisors (2060436345).

5549205639 is a wasteful number, since it uses less digits than its factorization.

5549205639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180038.

The product of its (nonzero) digits is 1458000, while the sum is 48.

The square root of 5549205639 is about 74492.9905360229. The cubic root of 5549205639 is about 1770.4225787293.

The spelling of 5549205639 in words is "five billion, five hundred forty-nine million, two hundred five thousand, six hundred thirty-nine".