550355652503 has 2 divisors, whose sum is σ = 550355652504. Its totient is φ = 550355652502.

The previous prime is 550355652499. The next prime is 550355652529. The reversal of 550355652503 is 305256553055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550355652503 - 2² = 550355652499 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550355652403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275177826251 + 275177826252.

It is an arithmetic number, because the mean of its divisors is an integer number (275177826252).

Almost surely, 2^550355652503 is an apocalyptic number.

550355652503 is a deficient number, since it is larger than the sum of its proper divisors (1).

550355652503 is an equidigital number, since it uses as much as digits as its factorization.

550355652503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1687500, while the sum is 44.

The spelling of 550355652503 in words is "five hundred fifty billion, three hundred fifty-five million, six hundred fifty-two thousand, five hundred three".