54451513444309 has 2 divisors, whose sum is σ = 54451513444310. Its totient is φ = 54451513444308.

The previous prime is 54451513444267. The next prime is 54451513444379. The reversal of 54451513444309 is 90344431515445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33564584315025 + 20886929129284 = 5793495^2 + 4570222^2 .

It is a cyclic number.

It is not a de Polignac number, because 54451513444309 - 2¹⁵ = 54451513411541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54451513444379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27225756722154 + 27225756722155.

It is an arithmetic number, because the mean of its divisors is an integer number (27225756722155).

Almost surely, 2^{54451513444309} is an apocalyptic number.

It is an amenable number.

54451513444309 is a deficient number, since it is larger than the sum of its proper divisors (1).

54451513444309 is an equidigital number, since it uses as much as digits as its factorization.

54451513444309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 54451513444309 in words is "fifty-four trillion, four hundred fifty-one billion, five hundred thirteen million, four hundred forty-four thousand, three hundred nine".