55505007673 has 2 divisors, whose sum is σ = 55505007674. Its totient is φ = 55505007672.

The previous prime is 55505007601. The next prime is 55505007773. The reversal of 55505007673 is 37670050555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54770977024 + 734030649 = 234032^2 + 27093^2 .

It is a cyclic number.

It is not a de Polignac number, because 55505007673 - 2⁹ = 55505007161 is a prime.

It is not a weakly prime, because it can be changed into another prime (55505007473) 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, 27752503836 + 27752503837.

It is an arithmetic number, because the mean of its divisors is an integer number (27752503837).

Almost surely, 2^55505007673 is an apocalyptic number.

It is an amenable number.

55505007673 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505007673 is an equidigital number, since it uses as much as digits as its factorization.

55505007673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551250, while the sum is 43.

The spelling of 55505007673 in words is "fifty-five billion, five hundred five million, seven thousand, six hundred seventy-three".