550500089 has 2 divisors, whose sum is σ = 550500090. Its totient is φ = 550500088.

The previous prime is 550500079. The next prime is 550500107. The reversal of 550500089 is 980005055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468289600 + 82210489 = 21640^2 + 9067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550500089 is a prime.

It is not a weakly prime, because it can be changed into another prime (550500059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275250044 + 275250045.

It is an arithmetic number, because the mean of its divisors is an integer number (275250045).

Almost surely, 2^550500089 is an apocalyptic number.

It is an amenable number.

550500089 is a deficient number, since it is larger than the sum of its proper divisors (1).

550500089 is an equidigital number, since it uses as much as digits as its factorization.

550500089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 550500089 is about 23462.7383099245. The cubic root of 550500089 is about 819.5695187423.

The spelling of 550500089 in words is "five hundred fifty million, five hundred thousand, eighty-nine".