55045173 has 8 divisors (see below), whose sum is σ = 73469536. Its totient is φ = 36658800.

The previous prime is 55045153. The next prime is 55045183. The reversal of 55045173 is 37154055.

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

It is a de Polignac number, because none of the positive numbers 2^k-55045173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55045173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55045153) 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, 5923 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (9183692).

Almost surely, 2^55045173 is an apocalyptic number.

It is an amenable number.

55045173 is a deficient number, since it is larger than the sum of its proper divisors (18424363).

55045173 is a wasteful number, since it uses less digits than its factorization.

55045173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18995.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55045173 is about 7419.2434250400. The cubic root of 55045173 is about 380.3993332039.

The spelling of 55045173 in words is "fifty-five million, forty-five thousand, one hundred seventy-three".