549965359 has 2 divisors, whose sum is σ = 549965360. Its totient is φ = 549965358.

The previous prime is 549965329. The next prime is 549965369. The reversal of 549965359 is 953569945.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549965359 - 2⁷ = 549965231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549965329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274982679 + 274982680.

It is an arithmetic number, because the mean of its divisors is an integer number (274982680).

Almost surely, 2^549965359 is an apocalyptic number.

549965359 is a deficient number, since it is larger than the sum of its proper divisors (1).

549965359 is an equidigital number, since it uses as much as digits as its factorization.

549965359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6561000, while the sum is 55.

The square root of 549965359 is about 23451.3402388861. The cubic root of 549965359 is about 819.3040689618.

The spelling of 549965359 in words is "five hundred forty-nine million, nine hundred sixty-five thousand, three hundred fifty-nine".