54008891309563 has 2 divisors, whose sum is σ = 54008891309564. Its totient is φ = 54008891309562.

The previous prime is 54008891309521. The next prime is 54008891309603. The reversal of 54008891309563 is 36590319880045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54008891309563 is a prime.

It is not a weakly prime, because it can be changed into another prime (54008891309063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27004445654781 + 27004445654782.

It is an arithmetic number, because the mean of its divisors is an integer number (27004445654782).

Almost surely, 2^{54008891309563} is an apocalyptic number.

54008891309563 is a deficient number, since it is larger than the sum of its proper divisors (1).

54008891309563 is an equidigital number, since it uses as much as digits as its factorization.

54008891309563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 61.

The spelling of 54008891309563 in words is "fifty-four trillion, eight billion, eight hundred ninety-one million, three hundred nine thousand, five hundred sixty-three".