55082173 has 2 divisors, whose sum is σ = 55082174. Its totient is φ = 55082172.

The previous prime is 55082161. The next prime is 55082179. The reversal of 55082173 is 37128055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28270489 + 26811684 = 5317^2 + 5178^2 .

It is a cyclic number.

It is not a de Polignac number, because 55082173 - 2⁵ = 55082141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55082179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27541086 + 27541087.

It is an arithmetic number, because the mean of its divisors is an integer number (27541087).

Almost surely, 2^55082173 is an apocalyptic number.

It is an amenable number.

55082173 is a deficient number, since it is larger than the sum of its proper divisors (1).

55082173 is an equidigital number, since it uses as much as digits as its factorization.

55082173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 55082173 is about 7421.7365218660. The cubic root of 55082173 is about 380.4845457797.

It can be divided in two parts, 55082 and 173, that added together give a palindrome (55255).

The spelling of 55082173 in words is "fifty-five million, eighty-two thousand, one hundred seventy-three".