55112171 has 8 divisors (see below), whose sum is σ = 55636224. Its totient is φ = 54590760.

The previous prime is 55112149. The next prime is 55112191. The reversal of 55112171 is 17121155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55112171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55112191) 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, 87026 + ... + 87656.

It is an arithmetic number, because the mean of its divisors is an integer number (6954528).

Almost surely, 2^55112171 is an apocalyptic number.

55112171 is a deficient number, since it is larger than the sum of its proper divisors (524053).

55112171 is a wasteful number, since it uses less digits than its factorization.

55112171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its digits is 350, while the sum is 23.

The square root of 55112171 is about 7423.7572023875. The cubic root of 55112171 is about 380.5536044449.

The spelling of 55112171 in words is "fifty-five million, one hundred twelve thousand, one hundred seventy-one".