5538191 has 2 divisors, whose sum is σ = 5538192. Its totient is φ = 5538190.

The previous prime is 5538179. The next prime is 5538199. The reversal of 5538191 is 1918355.

5538191 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5538191 - 2¹⁴ = 5521807 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5538199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2769095 + 2769096.

It is an arithmetic number, because the mean of its divisors is an integer number (2769096).

Almost surely, 2^5538191 is an apocalyptic number.

5538191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5538191 is an equidigital number, since it uses as much as digits as its factorization.

5538191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 32.

The square root of 5538191 is about 2353.3361425857. The cubic root of 5538191 is about 176.9250430056.

The spelling of 5538191 in words is "five million, five hundred thirty-eight thousand, one hundred ninety-one".