549181960 has 32 divisors (see below), whose sum is σ = 1239422400. Its totient is φ = 219003840.

The previous prime is 549181951. The next prime is 549181967. The reversal of 549181960 is 69181945.

549181960 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (549181967) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7500 + ... + 33979.

It is an arithmetic number, because the mean of its divisors is an integer number (38731950).

Almost surely, 2^549181960 is an apocalyptic number.

It is an amenable number.

549181960 is an abundant number, since it is smaller than the sum of its proper divisors (690240440).

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

549181960 is a wasteful number, since it uses less digits than its factorization.

549181960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41821 (or 41817 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 549181960 is about 23434.6316378133. The cubic root of 549181960 is about 818.9148644560.

The spelling of 549181960 in words is "five hundred forty-nine million, one hundred eighty-one thousand, nine hundred sixty".