5515589 has 2 divisors, whose sum is σ = 5515590. Its totient is φ = 5515588.

The previous prime is 5515579. The next prime is 5515603. The reversal of 5515589 is 9855155.

5515589 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5484964 + 30625 = 2342^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515589 - 2⁸ = 5515333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5515579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757794 + 2757795.

It is an arithmetic number, because the mean of its divisors is an integer number (2757795).

Almost surely, 2^5515589 is an apocalyptic number.

It is an amenable number.

5515589 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515589 is an equidigital number, since it uses as much as digits as its factorization.

5515589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 38.

The square root of 5515589 is about 2348.5291141478. The cubic root of 5515589 is about 176.6840309660.

It can be divided in two parts, 55 and 15589, that multiplied together give a triangular number (857395 = T₁₃₀₉).

The spelling of 5515589 in words is "five million, five hundred fifteen thousand, five hundred eighty-nine".