5561536647 has 8 divisors (see below), whose sum is σ = 7541066880. Its totient is φ = 3644848760.

The previous prime is 5561536549. The next prime is 5561536661. The reversal of 5561536647 is 7466351655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5561536647 - 2²⁰ = 5560488071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5561536596 and 5561536605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561536667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15710379 + ... + 15710732.

It is an arithmetic number, because the mean of its divisors is an integer number (942633360).

Almost surely, 2^5561536647 is an apocalyptic number.

5561536647 is a deficient number, since it is larger than the sum of its proper divisors (1979530233).

5561536647 is a wasteful number, since it uses less digits than its factorization.

5561536647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31421173.

The product of its digits is 2268000, while the sum is 48.

The square root of 5561536647 is about 74575.7108380470. The cubic root of 5561536647 is about 1771.7329731585.

The spelling of 5561536647 in words is "five billion, five hundred sixty-one million, five hundred thirty-six thousand, six hundred forty-seven".