549711372 has 72 divisors (see below), whose sum is σ = 1483976704. Its totient is φ = 155137248.

The previous prime is 549711343. The next prime is 549711373. The reversal of 549711372 is 273117945.

It is a super-2 number, since 2×549711372² = 604365185012244768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 549711372.

It is not an unprimeable number, because it can be changed into a prime (549711373) 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 23 ways as a sum of consecutive naturals, for example, 2421523 + ... + 2421749.

Almost surely, 2^549711372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549711372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741988352).

549711372 is an abundant number, since it is smaller than the sum of its proper divisors (934265332).

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

549711372 is a wasteful number, since it uses less digits than its factorization.

549711372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 366 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 549711372 is about 23445.9244219544. The cubic root of 549711372 is about 819.1779248806.

The spelling of 549711372 in words is "five hundred forty-nine million, seven hundred eleven thousand, three hundred seventy-two".