550045469 has 2 divisors, whose sum is σ = 550045470. Its totient is φ = 550045468.

The previous prime is 550045439. The next prime is 550045487. The reversal of 550045469 is 964540055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548168569 + 1876900 = 23413^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 550045469 - 2²⁸ = 281610013 is a prime.

It is a super-2 number, since 2×550045469² = 605100035934859922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550045409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275022734 + 275022735.

It is an arithmetic number, because the mean of its divisors is an integer number (275022735).

Almost surely, 2^550045469 is an apocalyptic number.

It is an amenable number.

550045469 is a deficient number, since it is larger than the sum of its proper divisors (1).

550045469 is an equidigital number, since it uses as much as digits as its factorization.

550045469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 550045469 is about 23453.0481814198. The cubic root of 550045469 is about 819.3438479899.

The spelling of 550045469 in words is "five hundred fifty million, forty-five thousand, four hundred sixty-nine".