55434401447 has 2 divisors, whose sum is σ = 55434401448. Its totient is φ = 55434401446.

The previous prime is 55434401401. The next prime is 55434401467. The reversal of 55434401447 is 74410443455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55434401447 - 2¹⁴ = 55434385063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55434401467) 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, 27717200723 + 27717200724.

It is an arithmetic number, because the mean of its divisors is an integer number (27717200724).

Almost surely, 2^55434401447 is an apocalyptic number.

55434401447 is a deficient number, since it is larger than the sum of its proper divisors (1).

55434401447 is an equidigital number, since it uses as much as digits as its factorization.

55434401447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 41.

The spelling of 55434401447 in words is "fifty-five billion, four hundred thirty-four million, four hundred one thousand, four hundred forty-seven".