548486864 has 20 divisors (see below), whose sum is σ = 1063058820. Its totient is φ = 274149120.

The previous prime is 548486837. The next prime is 548486881. The reversal of 548486864 is 468684845.

It can be written as a sum of positive squares in 2 ways, for example, as 374035600 + 174451264 = 19340^2 + 13208^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80054 + ... + 86634.

It is an arithmetic number, because the mean of its divisors is an integer number (53152941).

Almost surely, 2^548486864 is an apocalyptic number.

It is an amenable number.

548486864 is a deficient number, since it is larger than the sum of its proper divisors (514571956).

548486864 is a wasteful number, since it uses less digits than its factorization.

548486864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11798 (or 11792 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 53.

The square root of 548486864 is about 23419.7964124371. The cubic root of 548486864 is about 818.5692201998.

The spelling of 548486864 in words is "five hundred forty-eight million, four hundred eighty-six thousand, eight hundred sixty-four".