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54345173223169 is a prime number
BaseRepresentation
bin11000101101101001110001…
…01111101100011100000001
321010102100101120011111101201
430112310320233230130001
524110342403321120134
6311325454455301201
714306211024416653
oct1426647057543401
9233370346144351
1054345173223169
1116352727566144
12611856067a801
1324429600cb85a
14d5c46b32a6d3
15643999032914
hex316d38bec701

54345173223169 has 2 divisors, whose sum is σ = 54345173223170. Its totient is φ = 54345173223168.

The previous prime is 54345173223091. The next prime is 54345173223199. The reversal of 54345173223169 is 96132237154345.

54345173223169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53910661542544 + 434511680625 = 7342388^2 + 659175^2 .

It is a cyclic number.

It is not a de Polignac number, because 54345173223169 - 213 = 54345173214977 is a prime.

It is a super-2 number, since 2×543451732231692 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54345173223199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27172586611584 + 27172586611585.

It is an arithmetic number, because the mean of its divisors is an integer number (27172586611585).

Almost surely, 254345173223169 is an apocalyptic number.

It is an amenable number.

54345173223169 is a deficient number, since it is larger than the sum of its proper divisors (1).

54345173223169 is an equidigital number, since it uses as much as digits as its factorization.

54345173223169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 55.

The spelling of 54345173223169 in words is "fifty-four trillion, three hundred forty-five billion, one hundred seventy-three million, two hundred twenty-three thousand, one hundred sixty-nine".