55144603 has 2 divisors, whose sum is σ = 55144604. Its totient is φ = 55144602.

The previous prime is 55144571. The next prime is 55144613. The reversal of 55144603 is 30644155.

55144603 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 is a cyclic number.

It is not a de Polignac number, because 55144603 - 2⁵ = 55144571 is a prime.

It is not a weakly prime, because it can be changed into another prime (55144613) 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, 27572301 + 27572302.

It is an arithmetic number, because the mean of its divisors is an integer number (27572302).

Almost surely, 2^55144603 is an apocalyptic number.

55144603 is a deficient number, since it is larger than the sum of its proper divisors (1).

55144603 is an equidigital number, since it uses as much as digits as its factorization.

55144603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 55144603 is about 7425.9412198051. The cubic root of 55144603 is about 380.6282382573.

Adding to 55144603 its reverse (30644155), we get a palindrome (85788758).

It can be divided in two parts, 551 and 44603, that added together give a palindrome (45154).

The spelling of 55144603 in words is "fifty-five million, one hundred forty-four thousand, six hundred three".