5540323 has 4 divisors (see below), whose sum is σ = 5562648. Its totient is φ = 5518000.

The previous prime is 5540321. The next prime is 5540347. The reversal of 5540323 is 3230455.

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

It is a cyclic number.

It is not a de Polignac number, because 5540323 - 2¹ = 5540321 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5540294 and 5540303.

It is not an unprimeable number, because it can be changed into a prime (5540321) 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 3 ways as a sum of consecutive naturals, for example, 10786 + ... + 11287.

It is an arithmetic number, because the mean of its divisors is an integer number (1390662).

Almost surely, 2^5540323 is an apocalyptic number.

5540323 is a deficient number, since it is larger than the sum of its proper divisors (22325).

5540323 is a wasteful number, since it uses less digits than its factorization.

5540323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22324.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 5540323 is about 2353.7890729630. The cubic root of 5540323 is about 176.9477433061.

Adding to 5540323 its reverse (3230455), we get a palindrome (8770778).

The spelling of 5540323 in words is "five million, five hundred forty thousand, three hundred twenty-three".