548981256 has 32 divisors (see below), whose sum is σ = 1388993760. Its totient is φ = 180788352.

The previous prime is 548981239. The next prime is 548981287. The reversal of 548981256 is 652189845.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135805 + ... + 139788.

It is an arithmetic number, because the mean of its divisors is an integer number (43406055).

Almost surely, 2^548981256 is an apocalyptic number.

It is an amenable number.

548981256 is an abundant number, since it is smaller than the sum of its proper divisors (840012504).

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

548981256 is a wasteful number, since it uses less digits than its factorization.

548981256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275685 (or 275681 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 548981256 is about 23430.3490370929. The cubic root of 548981256 is about 818.8150921114.

The spelling of 548981256 in words is "five hundred forty-eight million, nine hundred eighty-one thousand, two hundred fifty-six".