55112297 has 2 divisors, whose sum is σ = 55112298. Its totient is φ = 55112296.

The previous prime is 55112287. The next prime is 55112311. The reversal of 55112297 is 79221155.

It is a happy number.

55112297 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., 47389456 + 7722841 = 6884^2 + 2779^2 .

It is a cyclic number.

It is not a de Polignac number, because 55112297 - 2¹² = 55108201 is a prime.

It is not a weakly prime, because it can be changed into another prime (55112207) 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, 27556148 + 27556149.

It is an arithmetic number, because the mean of its divisors is an integer number (27556149).

Almost surely, 2^55112297 is an apocalyptic number.

It is an amenable number.

55112297 is a deficient number, since it is larger than the sum of its proper divisors (1).

55112297 is an equidigital number, since it uses as much as digits as its factorization.

55112297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 32.

The square root of 55112297 is about 7423.7656886515. The cubic root of 55112297 is about 380.5538944578.

The spelling of 55112297 in words is "fifty-five million, one hundred twelve thousand, two hundred ninety-seven".