55179205019 has 2 divisors, whose sum is σ = 55179205020. Its totient is φ = 55179205018.

The previous prime is 55179205007. The next prime is 55179205031. The reversal of 55179205019 is 91050297155.

It is a balanced prime because it is at equal distance from previous prime (55179205007) and next prime (55179205031).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55179205019 is a prime.

It is a super-2 number, since 2×55179205019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55179205099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27589602509 + 27589602510.

It is an arithmetic number, because the mean of its divisors is an integer number (27589602510).

Almost surely, 2^55179205019 is an apocalyptic number.

55179205019 is a deficient number, since it is larger than the sum of its proper divisors (1).

55179205019 is an equidigital number, since it uses as much as digits as its factorization.

55179205019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141750, while the sum is 44.

The spelling of 55179205019 in words is "fifty-five billion, one hundred seventy-nine million, two hundred five thousand, nineteen".