548544712321 has 8 divisors (see below), whose sum is σ = 550638921960. Its totient is φ = 546452679552.

The previous prime is 548544712301. The next prime is 548544712337. The reversal of 548544712321 is 123217445845.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47224070721 + 501320641600 = 217311^2 + 708040^2 .

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 548544712321 - 2⁷ = 548544712193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548544712301) 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, 38386 + ... + 1048123.

It is an arithmetic number, because the mean of its divisors is an integer number (68829865245).

Almost surely, 2^548544712321 is an apocalyptic number.

It is an amenable number.

548544712321 is a deficient number, since it is larger than the sum of its proper divisors (2094209639).

548544712321 is a wasteful number, since it uses less digits than its factorization.

548544712321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088435.

The product of its digits is 1075200, while the sum is 46.

The spelling of 548544712321 in words is "five hundred forty-eight billion, five hundred forty-four million, seven hundred twelve thousand, three hundred twenty-one".