549397560 has 32 divisors (see below), whose sum is σ = 1648193040. Its totient is φ = 146505984.

The previous prime is 549397553. The next prime is 549397579. The reversal of 549397560 is 65793945.

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 7 ways as a sum of consecutive naturals, for example, 2289037 + ... + 2289276.

Almost surely, 2^549397560 is an apocalyptic number.

It is an amenable number.

549397560 is an abundant number, since it is smaller than the sum of its proper divisors (1098795480).

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

549397560 is a wasteful number, since it uses less digits than its factorization.

549397560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578327 (or 4578323 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 48.

The square root of 549397560 is about 23439.2312160617. The cubic root of 549397560 is about 819.0220147013.

The spelling of 549397560 in words is "five hundred forty-nine million, three hundred ninety-seven thousand, five hundred sixty".