55854222245855 has 128 divisors (see below), whose sum is σ = 76842028892160. Its totient is φ = 38604981888000.

The previous prime is 55854222245797. The next prime is 55854222245869.

It is a happy number.

55854222245855 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55854222245855 - 2⁶ = 55854222245791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 50638460234 + ... + 50638461336.

It is an arithmetic number, because the mean of its divisors is an integer number (600328350720).

Almost surely, 2^{55854222245855} is an apocalyptic number.

55854222245855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55854222245855 is a deficient number, since it is larger than the sum of its proper divisors (20987806646305).

55854222245855 is a wasteful number, since it uses less digits than its factorization.

55854222245855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613.

The product of its digits is 256000000, while the sum is 62.

The spelling of 55854222245855 in words is "fifty-five trillion, eight hundred fifty-four billion, two hundred twenty-two million, two hundred forty-five thousand, eight hundred fifty-five".