6550561047 has 8 divisors (see below), whose sum is σ = 8937199744. Its totient is φ = 4265481528.

The previous prime is 6550561037. The next prime is 6550561099. The reversal of 6550561047 is 7401650556.

6550561047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6550561047 - 2⁶ = 6550560983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6550560996 and 6550561014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550561007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25389643 + ... + 25389900.

It is an arithmetic number, because the mean of its divisors is an integer number (1117149968).

Almost surely, 2^6550561047 is an apocalyptic number.

6550561047 is a deficient number, since it is larger than the sum of its proper divisors (2386638697).

6550561047 is a wasteful number, since it uses less digits than its factorization.

6550561047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50779589.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 6550561047 is about 80935.5363669136. The cubic root of 6550561047 is about 1871.0820514691.

The spelling of 6550561047 in words is "six billion, five hundred fifty million, five hundred sixty-one thousand, forty-seven".