5497391 has 4 divisors (see below), whose sum is σ = 5736432. Its totient is φ = 5258352.

The previous prime is 5497361. The next prime is 5497397. The reversal of 5497391 is 1937945.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-5497391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5497397) 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 3 ways as a sum of consecutive naturals, for example, 119486 + ... + 119531.

It is an arithmetic number, because the mean of its divisors is an integer number (1434108).

Almost surely, 2^5497391 is an apocalyptic number.

5497391 is a deficient number, since it is larger than the sum of its proper divisors (239041).

5497391 is a wasteful number, since it uses less digits than its factorization.

5497391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239040.

The product of its digits is 34020, while the sum is 38.

The square root of 5497391 is about 2344.6515732620. The cubic root of 5497391 is about 176.4895012039.

The spelling of 5497391 in words is "five million, four hundred ninety-seven thousand, three hundred ninety-one".