548409604 has 24 divisors (see below), whose sum is σ = 1017034200. Its totient is φ = 258289920.

The previous prime is 548409601. The next prime is 548409607. The reversal of 548409604 is 406904845.

It is an interprime number because it is at equal distance from previous prime (548409601) and next prime (548409607).

It can be written as a sum of positive squares in 4 ways, for example, as 5053504 + 543356100 = 2248^2 + 23310^2 .

It is not an unprimeable number, because it can be changed into a prime (548409601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52899 + ... + 62410.

It is an arithmetic number, because the mean of its divisors is an integer number (42376425).

Almost surely, 2^548409604 is an apocalyptic number.

It is an amenable number.

548409604 is a deficient number, since it is larger than the sum of its proper divisors (468624596).

548409604 is a wasteful number, since it uses less digits than its factorization.

548409604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115383 (or 115381 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 548409604 is about 23418.1468950897. The cubic root of 548409604 is about 818.5307837718.

The spelling of 548409604 in words is "five hundred forty-eight million, four hundred nine thousand, six hundred four".