5655619 has 2 divisors, whose sum is σ = 5655620. Its totient is φ = 5655618.

The previous prime is 5655607. The next prime is 5655623. The reversal of 5655619 is 9165565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5655619 - 2⁷ = 5655491 is a prime.

It is a super-3 number, since 3×5655619³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5655649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827809 + 2827810.

It is an arithmetic number, because the mean of its divisors is an integer number (2827810).

Almost surely, 2^5655619 is an apocalyptic number.

5655619 is a deficient number, since it is larger than the sum of its proper divisors (1).

5655619 is an equidigital number, since it uses as much as digits as its factorization.

5655619 is an evil number, because the sum of its binary digits is even.

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

The square root of 5655619 is about 2378.1545366103. The cubic root of 5655619 is about 178.1667733770.

The spelling of 5655619 in words is "five million, six hundred fifty-five thousand, six hundred nineteen".