548744773 has 2 divisors, whose sum is σ = 548744774. Its totient is φ = 548744772.

The previous prime is 548744771. The next prime is 548744803. The reversal of 548744773 is 377447845.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490268164 + 58476609 = 22142^2 + 7647^2 .

It is a cyclic number.

It is not a de Polignac number, because 548744773 - 2¹ = 548744771 is a prime.

It is a super-2 number, since 2×548744773² = 602241651789643058, which contains 22 as substring.

Together with 548744771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548744771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274372386 + 274372387.

It is an arithmetic number, because the mean of its divisors is an integer number (274372387).

Almost surely, 2^548744773 is an apocalyptic number.

It is an amenable number.

548744773 is a deficient number, since it is larger than the sum of its proper divisors (1).

548744773 is an equidigital number, since it uses as much as digits as its factorization.

548744773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2634240, while the sum is 49.

The square root of 548744773 is about 23425.3019831122. The cubic root of 548744773 is about 818.6975023893.

The spelling of 548744773 in words is "five hundred forty-eight million, seven hundred forty-four thousand, seven hundred seventy-three".