55004211 has 16 divisors (see below), whose sum is σ = 81712800. Its totient is φ = 36568224.

The previous prime is 55004207. The next prime is 55004233. The reversal of 55004211 is 11240055.

55004211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55004211 - 2² = 55004207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55004251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7885 + ... + 13121.

It is an arithmetic number, because the mean of its divisors is an integer number (5107050).

Almost surely, 2^55004211 is an apocalyptic number.

55004211 is a deficient number, since it is larger than the sum of its proper divisors (26708589).

55004211 is a wasteful number, since it uses less digits than its factorization.

55004211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635 (or 5629 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 55004211 is about 7416.4823872237. The cubic root of 55004211 is about 380.3049514241.

Adding to 55004211 its reverse (11240055), we get a palindrome (66244266).

The spelling of 55004211 in words is "fifty-five million, four thousand, two hundred eleven".