549094589 has 2 divisors, whose sum is σ = 549094590. Its totient is φ = 549094588.

The previous prime is 549094583. The next prime is 549094627. The reversal of 549094589 is 985490945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496532089 + 52562500 = 22283^2 + 7250^2 .

It is a cyclic number.

It is not a de Polignac number, because 549094589 - 2⁴ = 549094573 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 549094589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549094583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274547294 + 274547295.

It is an arithmetic number, because the mean of its divisors is an integer number (274547295).

Almost surely, 2^549094589 is an apocalyptic number.

It is an amenable number.

549094589 is a deficient number, since it is larger than the sum of its proper divisors (1).

549094589 is an equidigital number, since it uses as much as digits as its factorization.

549094589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 549094589 is about 23432.7674208575. The cubic root of 549094589 is about 818.8714342814.

The spelling of 549094589 in words is "five hundred forty-nine million, ninety-four thousand, five hundred eighty-nine".