5543491 has 2 divisors, whose sum is σ = 5543492. Its totient is φ = 5543490.

The previous prime is 5543477. The next prime is 5543507. The reversal of 5543491 is 1943455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5543491 - 2¹¹ = 5541443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5543191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2771745 + 2771746.

It is an arithmetic number, because the mean of its divisors is an integer number (2771746).

Almost surely, 2^5543491 is an apocalyptic number.

5543491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5543491 is an equidigital number, since it uses as much as digits as its factorization.

5543491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 5543491 is about 2354.4619342856. The cubic root of 5543491 is about 176.9814635807.

The spelling of 5543491 in words is "five million, five hundred forty-three thousand, four hundred ninety-one".