549807788 has 12 divisors (see below), whose sum is σ = 1012803960. Its totient is φ = 260435232.

The previous prime is 549807787. The next prime is 549807799. The reversal of 549807788 is 887708945.

It is not an unprimeable number, because it can be changed into a prime (549807787) 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 3 ways as a sum of consecutive naturals, for example, 3617081 + ... + 3617232.

It is an arithmetic number, because the mean of its divisors is an integer number (84400330).

Almost surely, 2^549807788 is an apocalyptic number.

It is an amenable number.

549807788 is a deficient number, since it is larger than the sum of its proper divisors (462996172).

549807788 is a wasteful number, since it uses less digits than its factorization.

549807788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7234336 (or 7234334 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 56.

The square root of 549807788 is about 23447.9804674091. The cubic root of 549807788 is about 819.2258150072.

The spelling of 549807788 in words is "five hundred forty-nine million, eight hundred seven thousand, seven hundred eighty-eight".