549577772 has 12 divisors (see below), whose sum is σ = 975307536. Its totient is φ = 270918480.

The previous prime is 549577757. The next prime is 549577781. The reversal of 549577772 is 277775945.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 967283 + ... + 967850.

It is an arithmetic number, because the mean of its divisors is an integer number (81275628).

Almost surely, 2^549577772 is an apocalyptic number.

It is an amenable number.

549577772 is a deficient number, since it is larger than the sum of its proper divisors (425729764).

549577772 is a wasteful number, since it uses less digits than its factorization.

549577772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935208 (or 1935206 counting only the distinct ones).

The product of its digits is 4321800, while the sum is 53.

The square root of 549577772 is about 23443.0751395801. The cubic root of 549577772 is about 819.1115560892. Note that the first 3 decimals are identical.

The spelling of 549577772 in words is "five hundred forty-nine million, five hundred seventy-seven thousand, seven hundred seventy-two".