55815041 has 2 divisors, whose sum is σ = 55815042. Its totient is φ = 55815040.

The previous prime is 55815031. The next prime is 55815049. The reversal of 55815041 is 14051855.

55815041 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., 55056400 + 758641 = 7420^2 + 871^2 .

It is a cyclic number.

It is not a de Polignac number, because 55815041 - 2⁶ = 55814977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55814995 and 55815013.

It is not a weakly prime, because it can be changed into another prime (55815049) 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, 27907520 + 27907521.

It is an arithmetic number, because the mean of its divisors is an integer number (27907521).

Almost surely, 2^55815041 is an apocalyptic number.

It is an amenable number.

55815041 is a deficient number, since it is larger than the sum of its proper divisors (1).

55815041 is an equidigital number, since it uses as much as digits as its factorization.

55815041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 55815041 is about 7470.9464594521. The cubic root of 55815041 is about 382.1645650247.

Adding to 55815041 its reverse (14051855), we get a palindrome (69866896).

The spelling of 55815041 in words is "fifty-five million, eight hundred fifteen thousand, forty-one".