550505983 has 2 divisors, whose sum is σ = 550505984. Its totient is φ = 550505982.

The previous prime is 550505959. The next prime is 550505993. The reversal of 550505983 is 389505055.

550505983 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 550505983 - 2²⁵ = 516951551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550505933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275252991 + 275252992.

It is an arithmetic number, because the mean of its divisors is an integer number (275252992).

Almost surely, 2^550505983 is an apocalyptic number.

550505983 is a deficient number, since it is larger than the sum of its proper divisors (1).

550505983 is an equidigital number, since it uses as much as digits as its factorization.

550505983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 550505983 is about 23462.8639130009. The cubic root of 550505983 is about 819.5724436741.

The spelling of 550505983 in words is "five hundred fifty million, five hundred five thousand, nine hundred eighty-three".