548720928 has 72 divisors (see below), whose sum is σ = 1783349568. Its totient is φ = 156776832.

The previous prime is 548720927. The next prime is 548720941. The reversal of 548720928 is 829027845.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (548720927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134076 + ... + 138107.

It is an arithmetic number, because the mean of its divisors is an integer number (24768744).

Almost surely, 2^548720928 is an apocalyptic number.

It is an amenable number.

548720928 is an abundant number, since it is smaller than the sum of its proper divisors (1234628640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

548720928 is a wasteful number, since it uses less digits than its factorization.

548720928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272206 (or 272195 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 548720928 is about 23424.7930193631. The cubic root of 548720928 is about 818.6856437343.

The spelling of 548720928 in words is "five hundred forty-eight million, seven hundred twenty thousand, nine hundred twenty-eight".