10549559 has 4 divisors (see below), whose sum is σ = 10578216. Its totient is φ = 10520904.

The previous prime is 10549531. The next prime is 10549589. The reversal of 10549559 is 95594501.

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

It is a cyclic number.

It is not a de Polignac number, because 10549559 - 2²⁰ = 9500983 is a prime.

It is a super-2 number, since 2×10549559² = 222586390188962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10549519) 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 3 ways as a sum of consecutive naturals, for example, 13769 + ... + 14514.

It is an arithmetic number, because the mean of its divisors is an integer number (2644554).

Almost surely, 2^10549559 is an apocalyptic number.

10549559 is a deficient number, since it is larger than the sum of its proper divisors (28657).

10549559 is an equidigital number, since it uses as much as digits as its factorization.

10549559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28656.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 10549559 is about 3248.0084667377. The cubic root of 10549559 is about 219.3199316056.

The spelling of 10549559 in words is "ten million, five hundred forty-nine thousand, five hundred fifty-nine".