5509919 has 2 divisors, whose sum is σ = 5509920. Its totient is φ = 5509918.

The previous prime is 5509897. The next prime is 5509939. The reversal of 5509919 is 9199055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5509919 is a prime.

It is a super-2 number, since 2×5509919² = 60718414773122, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5509939) 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, 2754959 + 2754960.

It is an arithmetic number, because the mean of its divisors is an integer number (2754960).

Almost surely, 2^5509919 is an apocalyptic number.

5509919 is a deficient number, since it is larger than the sum of its proper divisors (1).

5509919 is an equidigital number, since it uses as much as digits as its factorization.

5509919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 38.

The square root of 5509919 is about 2347.3216652176. The cubic root of 5509919 is about 176.6234667523.

The spelling of 5509919 in words is "five million, five hundred nine thousand, nine hundred nineteen".