54805543369 has 2 divisors, whose sum is σ = 54805543370. Its totient is φ = 54805543368.

The previous prime is 54805543357. The next prime is 54805543439. The reversal of 54805543369 is 96334550845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50315873344 + 4489670025 = 224312^2 + 67005^2 .

It is a cyclic number.

It is not a de Polignac number, because 54805543369 - 2¹³ = 54805535177 is a prime.

It is a super-2 number, since 2×54805543369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54805543349) 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, 27402771684 + 27402771685.

It is an arithmetic number, because the mean of its divisors is an integer number (27402771685).

Almost surely, 2^54805543369 is an apocalyptic number.

It is an amenable number.

54805543369 is a deficient number, since it is larger than the sum of its proper divisors (1).

54805543369 is an equidigital number, since it uses as much as digits as its factorization.

54805543369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 54805543369 in words is "fifty-four billion, eight hundred five million, five hundred forty-three thousand, three hundred sixty-nine".