549725880 has 64 divisors (see below), whose sum is σ = 1799107200. Its totient is φ = 133266560.

The previous prime is 549725873. The next prime is 549725887. The reversal of 549725880 is 88527945.

It is an interprime number because it is at equal distance from previous prime (549725873) and next prime (549725887).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549725887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206910 + ... + 209549.

It is an arithmetic number, because the mean of its divisors is an integer number (28111050).

Almost surely, 2^549725880 is an apocalyptic number.

It is an amenable number.

549725880 is an abundant number, since it is smaller than the sum of its proper divisors (1249381320).

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

549725880 is a wasteful number, since it uses less digits than its factorization.

549725880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416484 (or 416480 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 549725880 is about 23446.2338127043. The cubic root of 549725880 is about 819.1851314071.

The spelling of 549725880 in words is "five hundred forty-nine million, seven hundred twenty-five thousand, eight hundred eighty".