5566901 has 2 divisors, whose sum is σ = 5566902. Its totient is φ = 5566900.

The previous prime is 5566879. The next prime is 5566919. The reversal of 5566901 is 1096655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4844401 + 722500 = 2201^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 5566901 - 2¹⁸ = 5304757 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5566991) 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 as a sum of consecutive naturals, namely, 2783450 + 2783451.

It is an arithmetic number, because the mean of its divisors is an integer number (2783451).

Almost surely, 2^5566901 is an apocalyptic number.

It is an amenable number.

5566901 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566901 is an equidigital number, since it uses as much as digits as its factorization.

5566901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 5566901 is about 2359.4281086738. The cubic root of 5566901 is about 177.2302428903.

The spelling of 5566901 in words is "five million, five hundred sixty-six thousand, nine hundred one".