9705550055 has 16 divisors (see below), whose sum is σ = 12012257664. Its totient is φ = 7523980800.

The previous prime is 9705550033. The next prime is 9705550073. The reversal of 9705550055 is 5500555079.

It is not a de Polignac number, because 9705550055 - 2¹⁰ = 9705549031 is a prime.

It is a super-2 number, since 2×9705550055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9705549994 and 9705550021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180722 + ... + 228191.

It is an arithmetic number, because the mean of its divisors is an integer number (750766104).

Almost surely, 2^9705550055 is an apocalyptic number.

9705550055 is a deficient number, since it is larger than the sum of its proper divisors (2306707609).

9705550055 is a wasteful number, since it uses less digits than its factorization.

9705550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409066.

The product of its (nonzero) digits is 196875, while the sum is 41.

The square root of 9705550055 is about 98516.7501240271. The cubic root of 9705550055 is about 2133.0779085603.

The spelling of 9705550055 in words is "nine billion, seven hundred five million, five hundred fifty thousand, fifty-five".