549066983 has 2 divisors, whose sum is σ = 549066984. Its totient is φ = 549066982.

The previous prime is 549066961. The next prime is 549067031. The reversal of 549066983 is 389660945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549066983 - 2¹⁴ = 549050599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549066923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274533491 + 274533492.

It is an arithmetic number, because the mean of its divisors is an integer number (274533492).

Almost surely, 2^549066983 is an apocalyptic number.

549066983 is a deficient number, since it is larger than the sum of its proper divisors (1).

549066983 is an equidigital number, since it uses as much as digits as its factorization.

549066983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 549066983 is about 23432.1783665113. The cubic root of 549066983 is about 818.8577109969.

The spelling of 549066983 in words is "five hundred forty-nine million, sixty-six thousand, nine hundred eighty-three".