55555501333327 has 2 divisors, whose sum is σ = 55555501333328. Its totient is φ = 55555501333326.

The previous prime is 55555501333291. The next prime is 55555501333379. The reversal of 55555501333327 is 72333310555555.

55555501333327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (55555501333379) can be obtained adding 55555501333327 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55555501333327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55555501333027) 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, 27777750666663 + 27777750666664.

It is an arithmetic number, because the mean of its divisors is an integer number (27777750666664).

Almost surely, 2^{55555501333327} is an apocalyptic number.

55555501333327 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555501333327 is an equidigital number, since it uses as much as digits as its factorization.

55555501333327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17718750, while the sum is 52.

The spelling of 55555501333327 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred one million, three hundred thirty-three thousand, three hundred twenty-seven".