548264459 has 4 divisors (see below), whose sum is σ = 567170160. Its totient is φ = 529358760.

The previous prime is 548264449. The next prime is 548264533. The reversal of 548264459 is 954462845.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548264459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548264449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9452807 + ... + 9452864.

It is an arithmetic number, because the mean of its divisors is an integer number (141792540).

Almost surely, 2^548264459 is an apocalyptic number.

548264459 is a deficient number, since it is larger than the sum of its proper divisors (18905701).

548264459 is a wasteful number, since it uses less digits than its factorization.

548264459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18905700.

The product of its digits is 1382400, while the sum is 47.

The square root of 548264459 is about 23415.0477044144. The cubic root of 548264459 is about 818.4585651646.

The spelling of 548264459 in words is "five hundred forty-eight million, two hundred sixty-four thousand, four hundred fifty-nine".