5497240 has 64 divisors (see below), whose sum is σ = 14644800. Its totient is φ = 1817088.

The previous prime is 5497237. The next prime is 5497241. The reversal of 5497240 is 427945.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5497241) 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 15 ways as a sum of consecutive naturals, for example, 7782 + ... + 8458.

It is an arithmetic number, because the mean of its divisors is an integer number (228825).

Almost surely, 2^5497240 is an apocalyptic number.

5497240 is the 1354-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5497240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7322400).

5497240 is an abundant number, since it is smaller than the sum of its proper divisors (9147560).

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

5497240 is a wasteful number, since it uses less digits than its factorization.

5497240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 5497240 is about 2344.6193720943. The cubic root of 5497240 is about 176.4878852762.

The spelling of 5497240 in words is "five million, four hundred ninety-seven thousand, two hundred forty".