55055173 has 8 divisors (see below), whose sum is σ = 56052128. Its totient is φ = 54063504.

The previous prime is 55055167. The next prime is 55055191. The reversal of 55055173 is 37155055.

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

It is a cyclic number.

It is not a de Polignac number, because 55055173 - 2⁹ = 55054661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055873) 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, 23890 + ... + 26092.

It is an arithmetic number, because the mean of its divisors is an integer number (7006516).

Almost surely, 2^55055173 is an apocalyptic number.

It is an amenable number.

55055173 is a deficient number, since it is larger than the sum of its proper divisors (996955).

55055173 is a wasteful number, since it uses less digits than its factorization.

55055173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 55055173 is about 7419.9173175986. The cubic root of 55055173 is about 380.4223673944.

The spelling of 55055173 in words is "fifty-five million, fifty-five thousand, one hundred seventy-three".