54543044513 has 2 divisors, whose sum is σ = 54543044514. Its totient is φ = 54543044512.

The previous prime is 54543044509. The next prime is 54543044561. The reversal of 54543044513 is 31544034545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50214983569 + 4328060944 = 224087^2 + 65788^2 .

It is a cyclic number.

It is not a de Polignac number, because 54543044513 - 2² = 54543044509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54543044503) 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, 27271522256 + 27271522257.

It is an arithmetic number, because the mean of its divisors is an integer number (27271522257).

Almost surely, 2^54543044513 is an apocalyptic number.

It is an amenable number.

54543044513 is a deficient number, since it is larger than the sum of its proper divisors (1).

54543044513 is an equidigital number, since it uses as much as digits as its factorization.

54543044513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 54543044513 in words is "fifty-four billion, five hundred forty-three million, forty-four thousand, five hundred thirteen".