55210330111 has 2 divisors, whose sum is σ = 55210330112. Its totient is φ = 55210330110.

The previous prime is 55210330099. The next prime is 55210330127. The reversal of 55210330111 is 11103301255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55210330111 - 2²³ = 55201941503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55210334111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27605165055 + 27605165056.

It is an arithmetic number, because the mean of its divisors is an integer number (27605165056).

Almost surely, 2^55210330111 is an apocalyptic number.

55210330111 is a deficient number, since it is larger than the sum of its proper divisors (1).

55210330111 is an equidigital number, since it uses as much as digits as its factorization.

55210330111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 55210330111 its reverse (11103301255), we get a palindrome (66313631366).

The spelling of 55210330111 in words is "fifty-five billion, two hundred ten million, three hundred thirty thousand, one hundred eleven".