55229211 has 12 divisors (see below), whose sum is σ = 80082288. Its totient is φ = 36677904.

The previous prime is 55229203. The next prime is 55229231. The reversal of 55229211 is 11292255.

It is not a de Polignac number, because 55229211 - 2³ = 55229203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55229231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9300 + ... + 14033.

It is an arithmetic number, because the mean of its divisors is an integer number (6673524).

Almost surely, 2^55229211 is an apocalyptic number.

55229211 is a deficient number, since it is larger than the sum of its proper divisors (24853077).

55229211 is a wasteful number, since it uses less digits than its factorization.

55229211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23602 (or 23599 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 55229211 is about 7431.6358226167. The cubic root of 55229211 is about 380.8228039146.

The spelling of 55229211 in words is "fifty-five million, two hundred twenty-nine thousand, two hundred eleven".