55447241 has 2 divisors, whose sum is σ = 55447242. Its totient is φ = 55447240.

The previous prime is 55447229. The next prime is 55447261. The reversal of 55447241 is 14274455.

55447241 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., 54760000 + 687241 = 7400^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 55447241 - 2¹⁰ = 55446217 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55447198 and 55447207.

It is not a weakly prime, because it can be changed into another prime (55447261) 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, 27723620 + 27723621.

It is an arithmetic number, because the mean of its divisors is an integer number (27723621).

Almost surely, 2^55447241 is an apocalyptic number.

It is an amenable number.

55447241 is a deficient number, since it is larger than the sum of its proper divisors (1).

55447241 is an equidigital number, since it uses as much as digits as its factorization.

55447241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 32.

The square root of 55447241 is about 7446.2904187253. The cubic root of 55447241 is about 381.3232744228.

It can be divided in two parts, 5544 and 7241, that multiplied together give a palindrome (40144104).

The spelling of 55447241 in words is "fifty-five million, four hundred forty-seven thousand, two hundred forty-one".