5521559 has 2 divisors, whose sum is σ = 5521560. Its totient is φ = 5521558.

The previous prime is 5521553. The next prime is 5521561. The reversal of 5521559 is 9551255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5521559 - 2⁴ = 5521543 is a prime.

It is a super-2 number, since 2×5521559² = 60975227580962, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5521561, it forms a pair of twin primes.

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 (5521553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760779 + 2760780.

It is an arithmetic number, because the mean of its divisors is an integer number (2760780).

Almost surely, 2^5521559 is an apocalyptic number.

5521559 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521559 is an equidigital number, since it uses as much as digits as its factorization.

5521559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11250, while the sum is 32.

The square root of 5521559 is about 2349.7997787046. The cubic root of 5521559 is about 176.7477547934.

The spelling of 5521559 in words is "five million, five hundred twenty-one thousand, five hundred fifty-nine".