549988272 has 40 divisors (see below), whose sum is σ = 1578671280. Its totient is φ = 183329280.

The previous prime is 549988253. The next prime is 549988273. The reversal of 549988272 is 272889945.

549988272 is a `hidden beast` number, since 5 + 499 + 8 + 82 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (549988273) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 636129 + ... + 636992.

It is an arithmetic number, because the mean of its divisors is an integer number (39466782).

Almost surely, 2^549988272 is an apocalyptic number.

It is an amenable number.

549988272 is an abundant number, since it is smaller than the sum of its proper divisors (1028683008).

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

549988272 is a wasteful number, since it uses less digits than its factorization.

549988272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273138 (or 1273126 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 549988272 is about 23451.8287559840. The cubic root of 549988272 is about 819.3154469230.

The spelling of 549988272 in words is "five hundred forty-nine million, nine hundred eighty-eight thousand, two hundred seventy-two".