55227173 has 4 divisors (see below), whose sum is σ = 55242048. Its totient is φ = 55212300.

The previous prime is 55227149. The next prime is 55227181. The reversal of 55227173 is 37172255.

55227173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55227173 - 2⁸ = 55226917 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 (55220173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290 + ... + 11012.

It is an arithmetic number, because the mean of its divisors is an integer number (13810512).

Almost surely, 2^55227173 is an apocalyptic number.

It is an amenable number.

55227173 is a deficient number, since it is larger than the sum of its proper divisors (14875).

55227173 is an equidigital number, since it uses as much as digits as its factorization.

55227173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14874.

The product of its digits is 14700, while the sum is 32.

The square root of 55227173 is about 7431.4987048374. The cubic root of 55227173 is about 380.8181196397.

The spelling of 55227173 in words is "fifty-five million, two hundred twenty-seven thousand, one hundred seventy-three".