55344721417747 has 2 divisors, whose sum is σ = 55344721417748. Its totient is φ = 55344721417746.

The previous prime is 55344721417631. The next prime is 55344721417771. The reversal of 55344721417747 is 74771412744355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55344721417747 - 2⁷ = 55344721417619 is a prime.

It is not a weakly prime, because it can be changed into another prime (55344721417787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27672360708873 + 27672360708874.

It is an arithmetic number, because the mean of its divisors is an integer number (27672360708874).

Almost surely, 2^{55344721417747} is an apocalyptic number.

55344721417747 is a deficient number, since it is larger than the sum of its proper divisors (1).

55344721417747 is an equidigital number, since it uses as much as digits as its factorization.

55344721417747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92198400, while the sum is 61.

The spelling of 55344721417747 in words is "fifty-five trillion, three hundred forty-four billion, seven hundred twenty-one million, four hundred seventeen thousand, seven hundred forty-seven".