555945549503 has 2 divisors, whose sum is σ = 555945549504. Its totient is φ = 555945549502.

The previous prime is 555945549461. The next prime is 555945549557. The reversal of 555945549503 is 305945549555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555945549503 - 2²⁰ = 555944500927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555945549583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277972774751 + 277972774752.

It is an arithmetic number, because the mean of its divisors is an integer number (277972774752).

Almost surely, 2^555945549503 is an apocalyptic number.

555945549503 is a deficient number, since it is larger than the sum of its proper divisors (1).

555945549503 is an equidigital number, since it uses as much as digits as its factorization.

555945549503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60750000, while the sum is 59.

The spelling of 555945549503 in words is "five hundred fifty-five billion, nine hundred forty-five million, five hundred forty-nine thousand, five hundred three".