55885004211 has 4 divisors (see below), whose sum is σ = 74513338952. Its totient is φ = 37256669472.

The previous prime is 55885004177. The next prime is 55885004251. The reversal of 55885004211 is 11240058855.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55885004211 - 2¹¹ = 55885002163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55885004211.

It is not an unprimeable number, because it can be changed into a prime (55885004251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9314167366 + ... + 9314167371.

It is an arithmetic number, because the mean of its divisors is an integer number (18628334738).

Almost surely, 2^55885004211 is an apocalyptic number.

55885004211 is a deficient number, since it is larger than the sum of its proper divisors (18628334741).

55885004211 is a wasteful number, since it uses less digits than its factorization.

55885004211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18628334740.

The product of its (nonzero) digits is 64000, while the sum is 39.

The spelling of 55885004211 in words is "fifty-five billion, eight hundred eighty-five million, four thousand, two hundred eleven".