6755549 has 2 divisors, whose sum is σ = 6755550. Its totient is φ = 6755548.

The previous prime is 6755519. The next prime is 6755557. The reversal of 6755549 is 9455576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4919524 + 1836025 = 2218^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 6755549 - 2¹² = 6751453 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6755509) 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, 3377774 + 3377775.

It is an arithmetic number, because the mean of its divisors is an integer number (3377775).

Almost surely, 2^6755549 is an apocalyptic number.

It is an amenable number.

6755549 is a deficient number, since it is larger than the sum of its proper divisors (1).

6755549 is an equidigital number, since it uses as much as digits as its factorization.

6755549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 41.

The square root of 6755549 is about 2599.1438975170. The cubic root of 6755549 is about 189.0399307212.

The spelling of 6755549 in words is "six million, seven hundred fifty-five thousand, five hundred forty-nine".