55226203 has 2 divisors, whose sum is σ = 55226204. Its totient is φ = 55226202.

The previous prime is 55226201. The next prime is 55226219. The reversal of 55226203 is 30262255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55226203 - 2¹ = 55226201 is a prime.

Together with 55226201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55226201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27613101 + 27613102.

It is an arithmetic number, because the mean of its divisors is an integer number (27613102).

Almost surely, 2^55226203 is an apocalyptic number.

55226203 is a deficient number, since it is larger than the sum of its proper divisors (1).

55226203 is an equidigital number, since it uses as much as digits as its factorization.

55226203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55226203 is about 7431.4334418065. The cubic root of 55226203 is about 380.8158900866.

Adding to 55226203 its reverse (30262255), we get a palindrome (85488458).

The spelling of 55226203 in words is "fifty-five million, two hundred twenty-six thousand, two hundred three".