549965293 has 2 divisors, whose sum is σ = 549965294. Its totient is φ = 549965292.

The previous prime is 549965233. The next prime is 549965303. The reversal of 549965293 is 392569945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380913289 + 169052004 = 19517^2 + 13002^2 .

It is a cyclic number.

It is not a de Polignac number, because 549965293 - 2¹⁷ = 549834221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 549965293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549965233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274982646 + 274982647.

It is an arithmetic number, because the mean of its divisors is an integer number (274982647).

Almost surely, 2^549965293 is an apocalyptic number.

It is an amenable number.

549965293 is a deficient number, since it is larger than the sum of its proper divisors (1).

549965293 is an equidigital number, since it uses as much as digits as its factorization.

549965293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 52.

The square root of 549965293 is about 23451.3388317170. The cubic root of 549965293 is about 819.3040361876.

The spelling of 549965293 in words is "five hundred forty-nine million, nine hundred sixty-five thousand, two hundred ninety-three".