5453440 has 32 divisors (see below), whose sum is σ = 13038660. Its totient is φ = 2181120.

The previous prime is 5453423. The next prime is 5453453. The reversal of 5453440 is 443545.

It can be written as a sum of positive squares in 2 ways, for example, as 5419584 + 33856 = 2328^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3621 + ... + 4900.

Almost surely, 2^5453440 is an apocalyptic number.

It is an amenable number.

5453440 is an abundant number, since it is smaller than the sum of its proper divisors (7585220).

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

5453440 is an equidigital number, since it uses as much as digits as its factorization.

5453440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540 (or 8528 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 5453440 is about 2335.2601568134. The cubic root of 5453440 is about 176.0179045146.

Adding to 5453440 its reverse (443545), we get a palindrome (5896985).

The spelling of 5453440 in words is "five million, four hundred fifty-three thousand, four hundred forty".