5649323 has 4 divisors (see below), whose sum is σ = 5755968. Its totient is φ = 5542680.

The previous prime is 5649317. The next prime is 5649367. The reversal of 5649323 is 3239465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3239465 = 5 ⋅647893.

It is a cyclic number.

It is not a de Polignac number, because 5649323 - 2⁴ = 5649307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5649323.

It is not an unprimeable number, because it can be changed into a prime (5642323) 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, 53243 + ... + 53348.

It is an arithmetic number, because the mean of its divisors is an integer number (1438992).

Almost surely, 2^5649323 is an apocalyptic number.

5649323 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5649323 is a deficient number, since it is larger than the sum of its proper divisors (106645).

5649323 is a wasteful number, since it uses less digits than its factorization.

5649323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106644.

The product of its digits is 19440, while the sum is 32.

The square root of 5649323 is about 2376.8304525144. The cubic root of 5649323 is about 178.1006353460.

The spelling of 5649323 in words is "five million, six hundred forty-nine thousand, three hundred twenty-three".