5648311 has 4 divisors (see below), whose sum is σ = 5656392. Its totient is φ = 5640232.

The previous prime is 5648297. The next prime is 5648329. The reversal of 5648311 is 1138465.

5648311 = T₁₉₃₉ + T₁₉₄₀ + T₁₉₄₁.

5648311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1138465 = 5 ⋅227693.

It is a cyclic number.

It is not a de Polignac number, because 5648311 - 2⁷ = 5648183 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 5648311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5648341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2881 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (1414098).

Almost surely, 2^5648311 is an apocalyptic number.

5648311 is the 1941-st centered triangular number.

5648311 is a deficient number, since it is larger than the sum of its proper divisors (8081).

5648311 is an equidigital number, since it uses as much as digits as its factorization.

5648311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080.

The product of its digits is 2880, while the sum is 28.

The square root of 5648311 is about 2376.6175544248. The cubic root of 5648311 is about 178.0899999356.

The spelling of 5648311 in words is "five million, six hundred forty-eight thousand, three hundred eleven".