549197079 has 4 divisors (see below), whose sum is σ = 732262776. Its totient is φ = 366131384.

The previous prime is 549197027. The next prime is 549197083. The reversal of 549197079 is 970791945.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 549197079 - 2¹⁹ = 548672791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549197279) 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 3 ways as a sum of consecutive naturals, for example, 91532844 + ... + 91532849.

It is an arithmetic number, because the mean of its divisors is an integer number (183065694).

Almost surely, 2^549197079 is an apocalyptic number.

549197079 is a deficient number, since it is larger than the sum of its proper divisors (183065697).

549197079 is a wasteful number, since it uses less digits than its factorization.

549197079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183065696.

The product of its (nonzero) digits is 714420, while the sum is 51.

The square root of 549197079 is about 23434.9542137381. The cubic root of 549197079 is about 818.9223793060.

The spelling of 549197079 in words is "five hundred forty-nine million, one hundred ninety-seven thousand, seventy-nine".