549750709 has 8 divisors (see below), whose sum is σ = 602161560. Its totient is φ = 499570176.

The previous prime is 549750689. The next prime is 549750713. The reversal of 549750709 is 907057945.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 180150084 + 369600625 = 13422^2 + 19225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549750709 - 2⁷ = 549750581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549750739) 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 in 7 ways as a sum of consecutive naturals, for example, 557064 + ... + 558049.

It is an arithmetic number, because the mean of its divisors is an integer number (75270195).

Almost surely, 2^549750709 is an apocalyptic number.

It is an amenable number.

549750709 is a deficient number, since it is larger than the sum of its proper divisors (52410851).

549750709 is a wasteful number, since it uses less digits than its factorization.

549750709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115159.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 549750709 is about 23446.7632947492. The cubic root of 549750709 is about 819.1974643669.

The spelling of 549750709 in words is "five hundred forty-nine million, seven hundred fifty thousand, seven hundred nine".