548480906 has 4 divisors (see below), whose sum is σ = 822721362. Its totient is φ = 274240452.

The previous prime is 548480897. The next prime is 548480909. The reversal of 548480906 is 609084845.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 384512881 + 163968025 = 19609^2 + 12805^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (548480909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137120225 + ... + 137120228.

Almost surely, 2^548480906 is an apocalyptic number.

548480906 is a deficient number, since it is larger than the sum of its proper divisors (274240456).

548480906 is a wasteful number, since it uses less digits than its factorization.

548480906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274240455.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 548480906 is about 23419.6692120107. The cubic root of 548480906 is about 818.5662562558.

The spelling of 548480906 in words is "five hundred forty-eight million, four hundred eighty thousand, nine hundred six".