5556619 has 2 divisors, whose sum is σ = 5556620. Its totient is φ = 5556618.

The previous prime is 5556559. The next prime is 5556643. The reversal of 5556619 is 9166555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5556619 - 2⁹ = 5556107 is a prime.

It is a super-2 number, since 2×5556619² = 61752029422322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5556659) 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, 2778309 + 2778310.

It is an arithmetic number, because the mean of its divisors is an integer number (2778310).

Almost surely, 2^5556619 is an apocalyptic number.

5556619 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556619 is an equidigital number, since it uses as much as digits as its factorization.

5556619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 37.

The square root of 5556619 is about 2357.2481837940. The cubic root of 5556619 is about 177.1210615930.

The spelling of 5556619 in words is "five million, five hundred fifty-six thousand, six hundred nineteen".