9894550055 has 16 divisors (see below), whose sum is σ = 12793940544. Its totient is φ = 7302666240.

The previous prime is 9894549979. The next prime is 9894550129. The reversal of 9894550055 is 5500554989.

9894550055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9894550055 - 2⁸ = 9894549799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9894549985 and 9894550012.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 77447 + ... + 160583.

It is an arithmetic number, because the mean of its divisors is an integer number (799621284).

Almost surely, 2^9894550055 is an apocalyptic number.

9894550055 is a deficient number, since it is larger than the sum of its proper divisors (2899390489).

9894550055 is a wasteful number, since it uses less digits than its factorization.

9894550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84986.

The product of its (nonzero) digits is 1620000, while the sum is 50.

The square root of 9894550055 is about 99471.3529364108. The cubic root of 9894550055 is about 2146.8350805039.

The spelling of 9894550055 in words is "nine billion, eight hundred ninety-four million, five hundred fifty thousand, fifty-five".