550569323 has 2 divisors, whose sum is σ = 550569324. Its totient is φ = 550569322.

The previous prime is 550569319. The next prime is 550569343. The reversal of 550569323 is 323965055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550569323 - 2² = 550569319 is a prime.

It is not a weakly prime, because it can be changed into another prime (550569343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275284661 + 275284662.

It is an arithmetic number, because the mean of its divisors is an integer number (275284662).

Almost surely, 2^550569323 is an apocalyptic number.

550569323 is a deficient number, since it is larger than the sum of its proper divisors (1).

550569323 is an equidigital number, since it uses as much as digits as its factorization.

550569323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 38.

The square root of 550569323 is about 23464.2136667735. The cubic root of 550569323 is about 819.6038751991.

The spelling of 550569323 in words is "five hundred fifty million, five hundred sixty-nine thousand, three hundred twenty-three".