5605559 has 2 divisors, whose sum is σ = 5605560. Its totient is φ = 5605558.

The previous prime is 5605553. The next prime is 5605619. The reversal of 5605559 is 9555065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5605559 - 2¹⁶ = 5540023 is a prime.

It is equal to p₃₈₇₅₃₉ and since 5605559 and 387539 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5605553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802779 + 2802780.

It is an arithmetic number, because the mean of its divisors is an integer number (2802780).

Almost surely, 2^5605559 is an apocalyptic number.

5605559 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605559 is an equidigital number, since it uses as much as digits as its factorization.

5605559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 5605559 is about 2367.6061750215. The cubic root of 5605559 is about 177.6395411343.

The spelling of 5605559 in words is "five million, six hundred five thousand, five hundred fifty-nine".