55805134045019 has 2 divisors, whose sum is σ = 55805134045020. Its totient is φ = 55805134045018.

The previous prime is 55805134044851. The next prime is 55805134045051. The reversal of 55805134045019 is 91054043150855.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55805134045019 is a prime.

It is a super-2 number, since 2×55805134045019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55805134045069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27902567022509 + 27902567022510.

It is an arithmetic number, because the mean of its divisors is an integer number (27902567022510).

Almost surely, 2^{55805134045019} is an apocalyptic number.

55805134045019 is a deficient number, since it is larger than the sum of its proper divisors (1).

55805134045019 is an equidigital number, since it uses as much as digits as its factorization.

55805134045019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 55805134045019 in words is "fifty-five trillion, eight hundred five billion, one hundred thirty-four million, forty-five thousand, nineteen".