54449562439 has 2 divisors, whose sum is σ = 54449562440. Its totient is φ = 54449562438.

The previous prime is 54449562383. The next prime is 54449562467. The reversal of 54449562439 is 93426594445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54449562439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54449562439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54449565439) 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, 27224781219 + 27224781220.

It is an arithmetic number, because the mean of its divisors is an integer number (27224781220).

Almost surely, 2^54449562439 is an apocalyptic number.

54449562439 is a deficient number, since it is larger than the sum of its proper divisors (1).

54449562439 is an equidigital number, since it uses as much as digits as its factorization.

54449562439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18662400, while the sum is 55.

The spelling of 54449562439 in words is "fifty-four billion, four hundred forty-nine million, five hundred sixty-two thousand, four hundred thirty-nine".