55305585328579 has 2 divisors, whose sum is σ = 55305585328580. Its totient is φ = 55305585328578.

The previous prime is 55305585328529. The next prime is 55305585328583. The reversal of 55305585328579 is 97582358550355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55305585328579 - 2²⁵ = 55305551774147 is a prime.

It is not a weakly prime, because it can be changed into another prime (55305585328529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27652792664289 + 27652792664290.

It is an arithmetic number, because the mean of its divisors is an integer number (27652792664290).

Almost surely, 2^{55305585328579} is an apocalyptic number.

55305585328579 is a deficient number, since it is larger than the sum of its proper divisors (1).

55305585328579 is an equidigital number, since it uses as much as digits as its factorization.

55305585328579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000000, while the sum is 70.

The spelling of 55305585328579 in words is "fifty-five trillion, three hundred five billion, five hundred eighty-five million, three hundred twenty-eight thousand, five hundred seventy-nine".