549146953 has 8 divisors (see below), whose sum is σ = 559568168. Its totient is φ = 538804224.

The previous prime is 549146951. The next prime is 549146957. The reversal of 549146953 is 359641945.

It can be written as a sum of positive squares in 4 ways, for example, as 322624 + 548824329 = 568^2 + 23427^2 .

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 549146953 - 2¹ = 549146951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549146951) 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, 5400 + ... + 33577.

It is an arithmetic number, because the mean of its divisors is an integer number (69946021).

Almost surely, 2^549146953 is an apocalyptic number.

It is an amenable number.

549146953 is a deficient number, since it is larger than the sum of its proper divisors (10421215).

549146953 is a wasteful number, since it uses less digits than its factorization.

549146953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39243.

The product of its digits is 583200, while the sum is 46.

The square root of 549146953 is about 23433.8847185011. The cubic root of 549146953 is about 818.8974638105.

The spelling of 549146953 in words is "five hundred forty-nine million, one hundred forty-six thousand, nine hundred fifty-three".