54207566573 has 2 divisors, whose sum is σ = 54207566574. Its totient is φ = 54207566572.

The previous prime is 54207566531. The next prime is 54207566639. The reversal of 54207566573 is 37566570245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52284480964 + 1923085609 = 228658^2 + 43853^2 .

It is a cyclic number.

It is not a de Polignac number, because 54207566573 - 2²⁴ = 54190789357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54207566503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27103783286 + 27103783287.

It is an arithmetic number, because the mean of its divisors is an integer number (27103783287).

Almost surely, 2^54207566573 is an apocalyptic number.

It is an amenable number.

54207566573 is a deficient number, since it is larger than the sum of its proper divisors (1).

54207566573 is an equidigital number, since it uses as much as digits as its factorization.

54207566573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 54207566573 in words is "fifty-four billion, two hundred seven million, five hundred sixty-six thousand, five hundred seventy-three".