55241505503 has 2 divisors, whose sum is σ = 55241505504. Its totient is φ = 55241505502.

The previous prime is 55241505467. The next prime is 55241505533. The reversal of 55241505503 is 30550514255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55241505503 - 2⁸ = 55241505247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55241505533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27620752751 + 27620752752.

It is an arithmetic number, because the mean of its divisors is an integer number (27620752752).

Almost surely, 2^55241505503 is an apocalyptic number.

55241505503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55241505503 is an equidigital number, since it uses as much as digits as its factorization.

55241505503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 55241505503 in words is "fifty-five billion, two hundred forty-one million, five hundred five thousand, five hundred three".