5561647625 has 8 divisors (see below), whose sum is σ = 6940936392. Its totient is φ = 4449318000.

The previous prime is 5561647601. The next prime is 5561647657. The reversal of 5561647625 is 5267461655.

It can be written as a sum of positive squares in 4 ways, for example, as 101767744 + 5459879881 = 10088^2 + 73891^2 .

It is not a de Polignac number, because 5561647625 - 2⁸ = 5561647369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5561647625.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22246466 + ... + 22246715.

It is an arithmetic number, because the mean of its divisors is an integer number (867617049).

Almost surely, 2^5561647625 is an apocalyptic number.

It is an amenable number.

5561647625 is a deficient number, since it is larger than the sum of its proper divisors (1379288767).

5561647625 is an equidigital number, since it uses as much as digits as its factorization.

5561647625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44493196 (or 44493186 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 47.

The square root of 5561647625 is about 74576.4548969713. The cubic root of 5561647625 is about 1771.7447577957.

The spelling of 5561647625 in words is "five billion, five hundred sixty-one million, six hundred forty-seven thousand, six hundred twenty-five".