5563529561 has 2 divisors, whose sum is σ = 5563529562. Its totient is φ = 5563529560.

The previous prime is 5563529507. The next prime is 5563529567. The reversal of 5563529561 is 1659253655.

5563529561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3786063961 + 1777465600 = 61531^2 + 42160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5563529561 is a prime.

It is a super-2 number, since 2×5563529561² = 61905722352241705442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5563529567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2781764780 + 2781764781.

It is an arithmetic number, because the mean of its divisors is an integer number (2781764781).

Almost surely, 2^5563529561 is an apocalyptic number.

It is an amenable number.

5563529561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5563529561 is an equidigital number, since it uses as much as digits as its factorization.

5563529561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215000, while the sum is 47.

The square root of 5563529561 is about 74589.0713241558. The cubic root of 5563529561 is about 1771.9445747356.

The spelling of 5563529561 in words is "five billion, five hundred sixty-three million, five hundred twenty-nine thousand, five hundred sixty-one".