55110605573 has 2 divisors, whose sum is σ = 55110605574. Its totient is φ = 55110605572.

The previous prime is 55110605567. The next prime is 55110605609. The reversal of 55110605573 is 37550601155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53882944129 + 1227661444 = 232127^2 + 35038^2 .

It is a cyclic number.

It is not a de Polignac number, because 55110605573 - 2⁸ = 55110605317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55110605513) 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, 27555302786 + 27555302787.

It is an arithmetic number, because the mean of its divisors is an integer number (27555302787).

Almost surely, 2^55110605573 is an apocalyptic number.

It is an amenable number.

55110605573 is a deficient number, since it is larger than the sum of its proper divisors (1).

55110605573 is an equidigital number, since it uses as much as digits as its factorization.

55110605573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78750, while the sum is 38.

The spelling of 55110605573 in words is "fifty-five billion, one hundred ten million, six hundred five thousand, five hundred seventy-three".