55227233 has 2 divisors, whose sum is σ = 55227234. Its totient is φ = 55227232.

The previous prime is 55227217. The next prime is 55227239. The reversal of 55227233 is 33272255.

It is a happy number.

55227233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52171729 + 3055504 = 7223^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 55227233 - 2⁴ = 55227217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55227196 and 55227205.

It is not a weakly prime, because it can be changed into another prime (55227239) 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 as a sum of consecutive naturals, namely, 27613616 + 27613617.

It is an arithmetic number, because the mean of its divisors is an integer number (27613617).

Almost surely, 2^55227233 is an apocalyptic number.

It is an amenable number.

55227233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55227233 is an equidigital number, since it uses as much as digits as its factorization.

55227233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 29.

The square root of 55227233 is about 7431.5027417071. The cubic root of 55227233 is about 380.8182575493.

Adding to 55227233 its reverse (33272255), we get a palindrome (88499488).

The spelling of 55227233 in words is "fifty-five million, two hundred twenty-seven thousand, two hundred thirty-three".