5566801 has 2 divisors, whose sum is σ = 5566802. Its totient is φ = 5566800.

The previous prime is 5566787. The next prime is 5566807. The reversal of 5566801 is 1086655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4928400 + 638401 = 2220^2 + 799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5566801 is a prime.

It is a super-3 number, since 3×5566801³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (5566807) 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 as a sum of consecutive naturals, namely, 2783400 + 2783401.

It is an arithmetic number, because the mean of its divisors is an integer number (2783401).

Almost surely, 2^5566801 is an apocalyptic number.

It is an amenable number.

5566801 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566801 is an equidigital number, since it uses as much as digits as its factorization.

5566801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5566801 is about 2359.4069170027. The cubic root of 5566801 is about 177.2291816697.

The spelling of 5566801 in words is "five million, five hundred sixty-six thousand, eight hundred one".