55311211355 has 12 divisors (see below), whose sum is σ = 66783311280. Its totient is φ = 43977397392.

The previous prime is 55311211327. The next prime is 55311211409.

55311211355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55311211355 - 2⁸ = 55311211099 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75335 + ... + 341024.

It is an arithmetic number, because the mean of its divisors is an integer number (5565275940).

Almost surely, 2^55311211355 is an apocalyptic number.

55311211355 is a deficient number, since it is larger than the sum of its proper divisors (11472099925).

55311211355 is an equidigital number, since it uses as much as digits as its factorization.

55311211355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416690 (or 416527 counting only the distinct ones).

The product of its digits is 11250, while the sum is 32.

The spelling of 55311211355 in words is "fifty-five billion, three hundred eleven million, two hundred eleven thousand, three hundred fifty-five".