55894466449855 has 24 divisors (see below), whose sum is σ = 73732696354800. Its totient is φ = 40646422565760.

The previous prime is 55894466449849. The next prime is 55894466449957.

55894466449855 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55894466449855 - 2²⁹ = 55893929578943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1354636 + ... + 10659454.

It is an arithmetic number, because the mean of its divisors is an integer number (3072195681450).

Almost surely, 2^{55894466449855} is an apocalyptic number.

55894466449855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55894466449855 is a deficient number, since it is larger than the sum of its proper divisors (17838229904945).

55894466449855 is a wasteful number, since it uses less digits than its factorization.

55894466449855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314775 (or 9314764 counting only the distinct ones).

The product of its digits is 29859840000, while the sum is 82.

The spelling of 55894466449855 in words is "fifty-five trillion, eight hundred ninety-four billion, four hundred sixty-six million, four hundred forty-nine thousand, eight hundred fifty-five".