55404211 has 8 divisors (see below), whose sum is σ = 57383424. Its totient is φ = 53458440.

The previous prime is 55404203. The next prime is 55404221. The reversal of 55404211 is 11240455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55404211 - 2³ = 55404203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55404221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4965 + ... + 11638.

It is an arithmetic number, because the mean of its divisors is an integer number (7172928).

Almost surely, 2^55404211 is an apocalyptic number.

55404211 is a deficient number, since it is larger than the sum of its proper divisors (1979213).

55404211 is a wasteful number, since it uses less digits than its factorization.

55404211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16721.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 55404211 is about 7443.4004997716. The cubic root of 55404211 is about 381.2246065323.

Adding to 55404211 its reverse (11240455), we get a palindrome (66644666).

The spelling of 55404211 in words is "fifty-five million, four hundred four thousand, two hundred eleven".