54511442173 has 2 divisors, whose sum is σ = 54511442174. Its totient is φ = 54511442172.

The previous prime is 54511442131. The next prime is 54511442233. The reversal of 54511442173 is 37124411545.

54511442173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53960037849 + 551404324 = 232293^2 + 23482^2 .

It is a cyclic number.

It is not a de Polignac number, because 54511442173 - 2⁹ = 54511441661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54511442273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27255721086 + 27255721087.

It is an arithmetic number, because the mean of its divisors is an integer number (27255721087).

Almost surely, 2^54511442173 is an apocalyptic number.

It is an amenable number.

54511442173 is a deficient number, since it is larger than the sum of its proper divisors (1).

54511442173 is an equidigital number, since it uses as much as digits as its factorization.

54511442173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The spelling of 54511442173 in words is "fifty-four billion, five hundred eleven million, four hundred forty-two thousand, one hundred seventy-three".