55224101 has 2 divisors, whose sum is σ = 55224102. Its totient is φ = 55224100.

The previous prime is 55224097. The next prime is 55224119. The reversal of 55224101 is 10142255.

55224101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32433025 + 22791076 = 5695^2 + 4774^2 .

It is a cyclic number.

It is not a de Polignac number, because 55224101 - 2² = 55224097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55224121) 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, 27612050 + 27612051.

It is an arithmetic number, because the mean of its divisors is an integer number (27612051).

Almost surely, 2^55224101 is an apocalyptic number.

It is an amenable number.

55224101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55224101 is an equidigital number, since it uses as much as digits as its factorization.

55224101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 55224101 is about 7431.2920141790. The cubic root of 55224101 is about 380.8110585325.

Adding to 55224101 its reverse (10142255), we get a palindrome (65366356).

The spelling of 55224101 in words is "fifty-five million, two hundred twenty-four thousand, one hundred one".