54450543361693 has 2 divisors, whose sum is σ = 54450543361694. Its totient is φ = 54450543361692.

The previous prime is 54450543361667. The next prime is 54450543361723. The reversal of 54450543361693 is 39616334505445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39235215495204 + 15215327866489 = 6263802^2 + 3900683^2 .

It is a cyclic number.

It is not a de Polignac number, because 54450543361693 - 2⁴⁵ = 19266171272861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54450543362693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27225271680846 + 27225271680847.

It is an arithmetic number, because the mean of its divisors is an integer number (27225271680847).

Almost surely, 2^{54450543361693} is an apocalyptic number.

It is an amenable number.

54450543361693 is a deficient number, since it is larger than the sum of its proper divisors (1).

54450543361693 is an equidigital number, since it uses as much as digits as its factorization.

54450543361693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984000, while the sum is 58.

The spelling of 54450543361693 in words is "fifty-four trillion, four hundred fifty billion, five hundred forty-three million, three hundred sixty-one thousand, six hundred ninety-three".