55605055573 has 2 divisors, whose sum is σ = 55605055574. Its totient is φ = 55605055572.

The previous prime is 55605055487. The next prime is 55605055579. The reversal of 55605055573 is 37555050655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44839333009 + 10765722564 = 211753^2 + 103758^2 .

It is a cyclic number.

It is not a de Polignac number, because 55605055573 - 2²¹ = 55602958421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55605055579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27802527786 + 27802527787.

It is an arithmetic number, because the mean of its divisors is an integer number (27802527787).

Almost surely, 2^55605055573 is an apocalyptic number.

It is an amenable number.

55605055573 is a deficient number, since it is larger than the sum of its proper divisors (1).

55605055573 is an equidigital number, since it uses as much as digits as its factorization.

55605055573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1968750, while the sum is 46.

The spelling of 55605055573 in words is "fifty-five billion, six hundred five million, fifty-five thousand, five hundred seventy-three".