548895522109 has 24 divisors (see below), whose sum is σ = 606770321976. Its totient is φ = 496157798400.

The previous prime is 548895522089. The next prime is 548895522139. The reversal of 548895522109 is 901225598845.

It can be written as a sum of positive squares in 4 ways, for example, as 257128098084 + 291767424025 = 507078^2 + 540155^2 .

It is not a de Polignac number, because 548895522109 - 2⁹ = 548895521597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548895522139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20652189 + ... + 20678749.

It is an arithmetic number, because the mean of its divisors is an integer number (25282096749).

Almost surely, 2^548895522109 is an apocalyptic number.

It is an amenable number.

548895522109 is a deficient number, since it is larger than the sum of its proper divisors (57874799867).

548895522109 is a wasteful number, since it uses less digits than its factorization.

548895522109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27549 (or 27538 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 58.

The spelling of 548895522109 in words is "five hundred forty-eight billion, eight hundred ninety-five million, five hundred twenty-two thousand, one hundred nine".