9955075171 has 4 divisors (see below), whose sum is σ = 10142906832. Its totient is φ = 9767243512.

The previous prime is 9955075129. The next prime is 9955075267. The reversal of 9955075171 is 1715705599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1715705599 = 89 ⋅19277591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9955075171 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9955079171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93915751 + ... + 93915856.

It is an arithmetic number, because the mean of its divisors is an integer number (2535726708).

Almost surely, 2^9955075171 is an apocalyptic number.

9955075171 is a deficient number, since it is larger than the sum of its proper divisors (187831661).

9955075171 is a wasteful number, since it uses less digits than its factorization.

9955075171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187831660.

The product of its (nonzero) digits is 496125, while the sum is 49.

The square root of 9955075171 is about 99775.1230066894. The cubic root of 9955075171 is about 2151.2035929731.

The spelling of 9955075171 in words is "nine billion, nine hundred fifty-five million, seventy-five thousand, one hundred seventy-one".