54863945280439 has 2 divisors, whose sum is σ = 54863945280440. Its totient is φ = 54863945280438.

The previous prime is 54863945280401. The next prime is 54863945280461. The reversal of 54863945280439 is 93408254936845.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54863945280439 - 2²⁹ = 54863408409527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54863945280479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27431972640219 + 27431972640220.

It is an arithmetic number, because the mean of its divisors is an integer number (27431972640220).

Almost surely, 2^{54863945280439} is an apocalyptic number.

54863945280439 is a deficient number, since it is larger than the sum of its proper divisors (1).

54863945280439 is an equidigital number, since it uses as much as digits as its factorization.

54863945280439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 895795200, while the sum is 70.

The spelling of 54863945280439 in words is "fifty-four trillion, eight hundred sixty-three billion, nine hundred forty-five million, two hundred eighty thousand, four hundred thirty-nine".