5561606009 has 16 divisors (see below), whose sum is σ = 5758667136. Its totient is φ = 5368675200.

The previous prime is 5561606003. The next prime is 5561606041. The reversal of 5561606009 is 9006061655.

It is a cyclic number.

It is not a de Polignac number, because 5561606009 - 2¹⁶ = 5561540473 is a prime.

It is a super-2 number, since 2×5561606009² = 61862922798689816162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5561606003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980309 + ... + 985965.

It is an arithmetic number, because the mean of its divisors is an integer number (359916696).

Almost surely, 2^5561606009 is an apocalyptic number.

It is an amenable number.

5561606009 is a deficient number, since it is larger than the sum of its proper divisors (197061127).

5561606009 is a wasteful number, since it uses less digits than its factorization.

5561606009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 5561606009 is about 74576.1758807731. The cubic root of 5561606009 is about 1771.7403386547.

The spelling of 5561606009 in words is "five billion, five hundred sixty-one million, six hundred six thousand, nine".