5566619 has 2 divisors, whose sum is σ = 5566620. Its totient is φ = 5566618.

The previous prime is 5566607. The next prime is 5566657. The reversal of 5566619 is 9166655.

5566619 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (5566657) can be obtained adding 5566619 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5566619 is a prime.

It is a super-2 number, since 2×5566619² = 61974494182322, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5566669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783309 + 2783310.

It is an arithmetic number, because the mean of its divisors is an integer number (2783310).

Almost surely, 2^5566619 is an apocalyptic number.

5566619 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566619 is an equidigital number, since it uses as much as digits as its factorization.

5566619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 5566619 is about 2359.3683476727. The cubic root of 5566619 is about 177.2272502156.

The spelling of 5566619 in words is "five million, five hundred sixty-six thousand, six hundred nineteen".