549372 has 24 divisors (see below), whose sum is σ = 1357776. Its totient is φ = 172288.

The previous prime is 549331. The next prime is 549379. The reversal of 549372 is 273945.

549372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 5⁵ + 4 + 3¹² + 9⁴ + 7² + 2¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549379) by changing a digit.

549372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143 + ... + 1550.

It is an arithmetic number, because the mean of its divisors is an integer number (56574).

2⁵⁴⁹³⁷² is an apocalyptic number.

It is an amenable number.

549372 is an abundant number, since it is smaller than the sum of its proper divisors (808404).

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

549372 is a wasteful number, since it uses less digits than its factorization.

549372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2715 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 549372 is about 741.1963302661. The cubic root of 549372 is about 81.9009313196.

It can be divided in two parts, 5493 and 72, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 549372 in words is "five hundred forty-nine thousand, three hundred seventy-two".