54091661803727 has 2 divisors, whose sum is σ = 54091661803728. Its totient is φ = 54091661803726.

The previous prime is 54091661803661. The next prime is 54091661803789. The reversal of 54091661803727 is 72730816619045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54091661803727 - 2⁴⁴ = 36499475759311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54091661806727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27045830901863 + 27045830901864.

It is an arithmetic number, because the mean of its divisors is an integer number (27045830901864).

It is a 1-persistent number, because it is pandigital, but 2⋅54091661803727 = 108183323607454 is not.

Almost surely, 2^{54091661803727} is an apocalyptic number.

54091661803727 is a deficient number, since it is larger than the sum of its proper divisors (1).

54091661803727 is an equidigital number, since it uses as much as digits as its factorization.

54091661803727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 54091661803727 in words is "fifty-four trillion, ninety-one billion, six hundred sixty-one million, eight hundred three thousand, seven hundred twenty-seven".