5548805209 has 2 divisors, whose sum is σ = 5548805210. Its totient is φ = 5548805208.

The previous prime is 5548805189. The next prime is 5548805231. The reversal of 5548805209 is 9025088455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5514547600 + 34257609 = 74260^2 + 5853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5548805209 is a prime.

It is not a weakly prime, because it can be changed into another prime (5548805299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2774402604 + 2774402605.

It is an arithmetic number, because the mean of its divisors is an integer number (2774402605).

Almost surely, 2^5548805209 is an apocalyptic number.

It is an amenable number.

5548805209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5548805209 is an equidigital number, since it uses as much as digits as its factorization.

5548805209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576000, while the sum is 46.

The square root of 5548805209 is about 74490.3027849934. The cubic root of 5548805209 is about 1770.3799932127.

The spelling of 5548805209 in words is "five billion, five hundred forty-eight million, eight hundred five thousand, two hundred nine".