55041211 has 4 divisors (see below), whose sum is σ = 55318000. Its totient is φ = 54764424.

The previous prime is 55041193. The next prime is 55041221. The reversal of 55041211 is 11214055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11214055 = 5 ⋅2242811.

It is a cyclic number.

It is not a de Polignac number, because 55041211 - 2⁵ = 55041179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55041221) 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, 138096 + ... + 138493.

It is an arithmetic number, because the mean of its divisors is an integer number (13829500).

Almost surely, 2^55041211 is an apocalyptic number.

55041211 is a deficient number, since it is larger than the sum of its proper divisors (276789).

55041211 is a wasteful number, since it uses less digits than its factorization.

55041211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276788.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 55041211 is about 7418.9764118779. The cubic root of 55041211 is about 380.3902062860.

Adding to 55041211 its reverse (11214055), we get a palindrome (66255266).

The spelling of 55041211 in words is "fifty-five million, forty-one thousand, two hundred eleven".