5500000561 has 8 divisors (see below), whose sum is σ = 6072290784. Its totient is φ = 4939758720.

The previous prime is 5500000559. The next prime is 5500000651. The reversal of 5500000561 is 1650000055.

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 5500000561 - 2¹ = 5500000559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5500000861) 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, 3011136 + ... + 3012961.

It is an arithmetic number, because the mean of its divisors is an integer number (759036348).

Almost surely, 2^5500000561 is an apocalyptic number.

It is an amenable number.

5500000561 is a deficient number, since it is larger than the sum of its proper divisors (572290223).

5500000561 is a wasteful number, since it uses less digits than its factorization.

5500000561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024191.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 5500000561 is about 74161.9886532178. The cubic root of 5500000561 is about 1765.1742276790.

The spelling of 5500000561 in words is "five billion, five hundred million, five hundred sixty-one", and thus it is an aban number.