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54227717693 is a prime number
BaseRepresentation
bin110010100000001110…
…010100111000111101
312011222020000111000122
4302200032110320331
51342024243431233
640524544104325
73626545665212
oct624016247075
9164866014018
1054227717693
1120aa8150a16
12a6149050a5
135162901926
1428a5dddb09
151625aebd98
hexca0394e3d

54227717693 has 2 divisors, whose sum is σ = 54227717694. Its totient is φ = 54227717692.

The previous prime is 54227717653. The next prime is 54227717867. The reversal of 54227717693 is 39671772245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54146032249 + 81685444 = 232693^2 + 9038^2 .

It is a cyclic number.

It is not a de Polignac number, because 54227717693 - 224 = 54210940477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54227717653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27113858846 + 27113858847.

It is an arithmetic number, because the mean of its divisors is an integer number (27113858847).

Almost surely, 254227717693 is an apocalyptic number.

It is an amenable number.

54227717693 is a deficient number, since it is larger than the sum of its proper divisors (1).

54227717693 is an equidigital number, since it uses as much as digits as its factorization.

54227717693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 53.

The spelling of 54227717693 in words is "fifty-four billion, two hundred twenty-seven million, seven hundred seventeen thousand, six hundred ninety-three".