549659 has 8 divisors (see below), whose sum is σ = 606528. Its totient is φ = 493960.

The previous prime is 549649. The next prime is 549667. The reversal of 549659 is 956945.

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 549659 - 2⁴ = 549643 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549659.

It is not an unprimeable number, because it can be changed into a prime (549649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944 + ... + 1410.

It is an arithmetic number, because the mean of its divisors is an integer number (75816).

2⁵⁴⁹⁶⁵⁹ is an apocalyptic number.

549659 is a deficient number, since it is larger than the sum of its proper divisors (56869).

549659 is a wasteful number, since it uses less digits than its factorization.

549659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its digits is 48600, while the sum is 38.

The square root of 549659 is about 741.3899109106. The cubic root of 549659 is about 81.9151909199.

It can be divided in two parts, 5496 and 59, that added together give a palindrome (5555).

The spelling of 549659 in words is "five hundred forty-nine thousand, six hundred fifty-nine".