549656972 has 6 divisors (see below), whose sum is σ = 961899708. Its totient is φ = 274828484.

The previous prime is 549656929. The next prime is 549657071. The reversal of 549656972 is 279656945.

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 as a sum of consecutive naturals, namely, 68707118 + ... + 68707125.

It is an arithmetic number, because the mean of its divisors is an integer number (160316618).

Almost surely, 2^549656972 is an apocalyptic number.

It is an amenable number.

549656972 is a deficient number, since it is larger than the sum of its proper divisors (412242736).

549656972 is a wasteful number, since it uses less digits than its factorization.

549656972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137414247 (or 137414245 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 53.

The square root of 549656972 is about 23444.7642769127. The cubic root of 549656972 is about 819.1509017605.

The spelling of 549656972 in words is "five hundred forty-nine million, six hundred fifty-six thousand, nine hundred seventy-two".