5566387 has 2 divisors, whose sum is σ = 5566388. Its totient is φ = 5566386.

The previous prime is 5566367. The next prime is 5566397. The reversal of 5566387 is 7836655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5566387 - 2¹⁹ = 5042099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5566357) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783193 + 2783194.

It is an arithmetic number, because the mean of its divisors is an integer number (2783194).

Almost surely, 2^5566387 is an apocalyptic number.

5566387 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566387 is an equidigital number, since it uses as much as digits as its factorization.

5566387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 5566387 is about 2359.3191814589. The cubic root of 5566387 is about 177.2247880811.

The spelling of 5566387 in words is "five million, five hundred sixty-six thousand, three hundred eighty-seven".