5566331 has 2 divisors, whose sum is σ = 5566332. Its totient is φ = 5566330.

The previous prime is 5566291. The next prime is 5566333. The reversal of 5566331 is 1336655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5566331 - 2²² = 1372027 is a prime.

It is a super-2 number, since 2×5566331² = 61968081603122, which contains 22 as substring.

Together with 5566333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5566294 and 5566303.

It is not a weakly prime, because it can be changed into another prime (5566333) 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, 2783165 + 2783166.

It is an arithmetic number, because the mean of its divisors is an integer number (2783166).

Almost surely, 2^5566331 is an apocalyptic number.

5566331 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566331 is an equidigital number, since it uses as much as digits as its factorization.

5566331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 29.

The square root of 5566331 is about 2359.3073135986. The cubic root of 5566331 is about 177.2241937626.

The spelling of 5566331 in words is "five million, five hundred sixty-six thousand, three hundred thirty-one".