54216563640583 has 2 divisors, whose sum is σ = 54216563640584. Its totient is φ = 54216563640582.

The previous prime is 54216563640527. The next prime is 54216563640643. The reversal of 54216563640583 is 38504636561245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54216563640583 - 2²⁵ = 54216530086151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54216563644583) 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, 27108281820291 + 27108281820292.

It is an arithmetic number, because the mean of its divisors is an integer number (27108281820292).

Almost surely, 2^{54216563640583} is an apocalyptic number.

54216563640583 is a deficient number, since it is larger than the sum of its proper divisors (1).

54216563640583 is an equidigital number, since it uses as much as digits as its factorization.

54216563640583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208000, while the sum is 58.

The spelling of 54216563640583 in words is "fifty-four trillion, two hundred sixteen billion, five hundred sixty-three million, six hundred forty thousand, five hundred eighty-three".