5566549 has 4 divisors (see below), whose sum is σ = 5590080. Its totient is φ = 5543020.

The previous prime is 5566543. The next prime is 5566553. The reversal of 5566549 is 9456655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5566549 - 2³ = 5566541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566541) 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, 11407 + ... + 11884.

It is an arithmetic number, because the mean of its divisors is an integer number (1397520).

Almost surely, 2^5566549 is an apocalyptic number.

It is an amenable number.

5566549 is a deficient number, since it is larger than the sum of its proper divisors (23531).

5566549 is a wasteful number, since it uses less digits than its factorization.

5566549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23530.

The product of its digits is 162000, while the sum is 40.

The square root of 5566549 is about 2359.3535131472. The cubic root of 5566549 is about 177.2265073374.

The spelling of 5566549 in words is "five million, five hundred sixty-six thousand, five hundred forty-nine".