54447405563 has 2 divisors, whose sum is σ = 54447405564. Its totient is φ = 54447405562.

The previous prime is 54447405491. The next prime is 54447405577. The reversal of 54447405563 is 36550474445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54447405563 - 2⁸ = 54447405307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (54447405263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27223702781 + 27223702782.

It is an arithmetic number, because the mean of its divisors is an integer number (27223702782).

Almost surely, 2^54447405563 is an apocalyptic number.

54447405563 is a deficient number, since it is larger than the sum of its proper divisors (1).

54447405563 is an equidigital number, since it uses as much as digits as its factorization.

54447405563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032000, while the sum is 47.

The spelling of 54447405563 in words is "fifty-four billion, four hundred forty-seven million, four hundred five thousand, five hundred sixty-three".