9955075172 has 12 divisors (see below), whose sum is σ = 19910150400. Its totient is φ = 4266460776.

The previous prime is 9955075129. The next prime is 9955075267. The reversal of 9955075172 is 2715705599.

9955075172 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 9955075172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177769172 + ... + 177769227.

It is an arithmetic number, because the mean of its divisors is an integer number (1659179200).

Almost surely, 2^9955075172 is an apocalyptic number.

It is an amenable number.

9955075172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9955075172 is a wasteful number, since it uses less digits than its factorization.

9955075172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355538410 (or 355538408 counting only the distinct ones).

The product of its (nonzero) digits is 992250, while the sum is 50.

The square root of 9955075172 is about 99775.1230117007. The cubic root of 9955075172 is about 2151.2035930451.

The spelling of 9955075172 in words is "nine billion, nine hundred fifty-five million, seventy-five thousand, one hundred seventy-two".