548605979 has 8 divisors (see below), whose sum is σ = 551467488. Its totient is φ = 545751360.

The previous prime is 548605973. The next prime is 548606041. The reversal of 548605979 is 979506845.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548605979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 548605979.

It is not an unprimeable number, because it can be changed into a prime (548605973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236234 + ... + 238544.

It is an arithmetic number, because the mean of its divisors is an integer number (68933436).

Almost surely, 2^548605979 is an apocalyptic number.

548605979 is a deficient number, since it is larger than the sum of its proper divisors (2861509).

548605979 is a wasteful number, since it uses less digits than its factorization.

548605979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 548605979 is about 23422.3393152776. The cubic root of 548605979 is about 818.6284721903.

The spelling of 548605979 in words is "five hundred forty-eight million, six hundred five thousand, nine hundred seventy-nine".