5255549 has 4 divisors (see below), whose sum is σ = 5659836. Its totient is φ = 4851264.

The previous prime is 5255531. The next prime is 5255561. The reversal of 5255549 is 9455525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 4644025 = 782^2 + 2155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5255549 is a prime.

It is a d-powerful number, because it can be written as 5 + 2¹⁶ + 5 + 5² + 5⁸ + 4⁷ + 9⁷ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202124 + ... + 202149.

It is an arithmetic number, because the mean of its divisors is an integer number (1414959).

Almost surely, 2^5255549 is an apocalyptic number.

It is an amenable number.

5255549 is a deficient number, since it is larger than the sum of its proper divisors (404287).

5255549 is a wasteful number, since it uses less digits than its factorization.

5255549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404286.

The product of its digits is 45000, while the sum is 35.

The square root of 5255549 is about 2292.4984187563. The cubic root of 5255549 is about 173.8625439274.

The spelling of 5255549 in words is "five million, two hundred fifty-five thousand, five hundred forty-nine".