550565699 has 2 divisors, whose sum is σ = 550565700. Its totient is φ = 550565698.

The previous prime is 550565681. The next prime is 550565747. The reversal of 550565699 is 996565055.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550565699 is a prime.

It is not a weakly prime, because it can be changed into another prime (550565629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275282849 + 275282850.

It is an arithmetic number, because the mean of its divisors is an integer number (275282850).

Almost surely, 2^550565699 is an apocalyptic number.

550565699 is a deficient number, since it is larger than the sum of its proper divisors (1).

550565699 is an equidigital number, since it uses as much as digits as its factorization.

550565699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1822500, while the sum is 50.

The square root of 550565699 is about 23464.1364426650. The cubic root of 550565699 is about 819.6020769085.

The spelling of 550565699 in words is "five hundred fifty million, five hundred sixty-five thousand, six hundred ninety-nine".