548448451 has 4 divisors (see below), whose sum is σ = 548715600. Its totient is φ = 548181304.

The previous prime is 548448449. The next prime is 548448457. The reversal of 548448451 is 154844845.

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 548448451 - 2¹ = 548448449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 548448398 and 548448407.

It is not an unprimeable number, because it can be changed into a prime (548448457) 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 3 ways as a sum of consecutive naturals, for example, 130471 + ... + 134608.

It is an arithmetic number, because the mean of its divisors is an integer number (137178900).

Almost surely, 2^548448451 is an apocalyptic number.

548448451 is a deficient number, since it is larger than the sum of its proper divisors (267149).

548448451 is a wasteful number, since it uses less digits than its factorization.

548448451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267148.

The product of its digits is 409600, while the sum is 43.

The square root of 548448451 is about 23418.9763012818. The cubic root of 548448451 is about 818.5501103933.

It can be divided in two parts, 5484 and 48451, that added together give a palindrome (53935).

The spelling of 548448451 in words is "five hundred forty-eight million, four hundred forty-eight thousand, four hundred fifty-one".