5566243 has 4 divisors (see below), whose sum is σ = 5716720. Its totient is φ = 5415768.

The previous prime is 5566241. The next prime is 5566271. The reversal of 5566243 is 3426655.

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 5566243 - 2¹ = 5566241 is a prime.

It is a super-2 number, since 2×5566243² = 61966122270098, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5⁸ + 5⁸ + 6³ + 6⁴ + 2⁸ + 4⁴ + 3¹⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5566241) 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, 75183 + ... + 75256.

It is an arithmetic number, because the mean of its divisors is an integer number (1429180).

Almost surely, 2^5566243 is an apocalyptic number.

5566243 is a deficient number, since it is larger than the sum of its proper divisors (150477).

5566243 is a wasteful number, since it uses less digits than its factorization.

5566243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150476.

The product of its digits is 21600, while the sum is 31.

The square root of 5566243 is about 2359.2886639833. The cubic root of 5566243 is about 177.2232598253.

The spelling of 5566243 in words is "five million, five hundred sixty-six thousand, two hundred forty-three".