54447064439 has 2 divisors, whose sum is σ = 54447064440. Its totient is φ = 54447064438.

The previous prime is 54447064409. The next prime is 54447064453. The reversal of 54447064439 is 93446074445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54447064439 - 2³² = 50152097143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54447064409) 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, 27223532219 + 27223532220.

It is an arithmetic number, because the mean of its divisors is an integer number (27223532220).

Almost surely, 2^54447064439 is an apocalyptic number.

54447064439 is a deficient number, since it is larger than the sum of its proper divisors (1).

54447064439 is an equidigital number, since it uses as much as digits as its factorization.

54447064439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 54447064439 in words is "fifty-four billion, four hundred forty-seven million, sixty-four thousand, four hundred thirty-nine".