5538643 has 8 divisors (see below), whose sum is σ = 6070896. Its totient is φ = 5011200.

The previous prime is 5538581. The next prime is 5538647. The reversal of 5538643 is 3468355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5538643 - 2⁹ = 5538131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5538599 and 5538608.

It is not an unprimeable number, because it can be changed into a prime (5538647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483 + ... + 3643.

It is an arithmetic number, because the mean of its divisors is an integer number (758862).

Almost surely, 2^5538643 is an apocalyptic number.

5538643 is a deficient number, since it is larger than the sum of its proper divisors (532253).

5538643 is a wasteful number, since it uses less digits than its factorization.

5538643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405.

The product of its digits is 43200, while the sum is 34.

The square root of 5538643 is about 2353.4321745060. The cubic root of 5538643 is about 176.9298561263.

The spelling of 5538643 in words is "five million, five hundred thirty-eight thousand, six hundred forty-three".