5549689 has 2 divisors, whose sum is σ = 5549690. Its totient is φ = 5549688.

The previous prime is 5549681. The next prime is 5549707. The reversal of 5549689 is 9869455.

5549689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4549689 + 1000000 = 2133^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 5549689 - 2³ = 5549681 is a prime.

It is not a weakly prime, because it can be changed into another prime (5549681) 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 as a sum of consecutive naturals, namely, 2774844 + 2774845.

It is an arithmetic number, because the mean of its divisors is an integer number (2774845).

Almost surely, 2^5549689 is an apocalyptic number.

It is an amenable number.

5549689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5549689 is an equidigital number, since it uses as much as digits as its factorization.

5549689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 46.

The square root of 5549689 is about 2355.7777908793. Note that the first 4 decimals coincide. The cubic root of 5549689 is about 177.0473981184.

The spelling of 5549689 in words is "five million, five hundred forty-nine thousand, six hundred eighty-nine".