549056780 has 24 divisors (see below), whose sum is σ = 1153459440. Its totient is φ = 219538880.

The previous prime is 549056777. The next prime is 549056831. The reversal of 549056780 is 87650945.

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, 100766 + ... + 106074.

It is an arithmetic number, because the mean of its divisors is an integer number (48060810).

Almost surely, 2^549056780 is an apocalyptic number.

It is an amenable number.

549056780 is an abundant number, since it is smaller than the sum of its proper divisors (604402660).

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

549056780 is a wasteful number, since it uses less digits than its factorization.

549056780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10489 (or 10487 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 549056780 is about 23431.9606520667. The cubic root of 549056780 is about 818.8526388429.

The spelling of 549056780 in words is "five hundred forty-nine million, fifty-six thousand, seven hundred eighty".