5533891 has 16 divisors (see below), whose sum is σ = 6477408. Its totient is φ = 4672000.

The previous prime is 5533861. The next prime is 5533901. The reversal of 5533891 is 1983355.

It is a cyclic number.

It is not a de Polignac number, because 5533891 - 2⁷ = 5533763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5533861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18741 + ... + 19033.

It is an arithmetic number, because the mean of its divisors is an integer number (404838).

Almost surely, 2^5533891 is an apocalyptic number.

5533891 is a deficient number, since it is larger than the sum of its proper divisors (943517).

5533891 is a wasteful number, since it uses less digits than its factorization.

5533891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its digits is 16200, while the sum is 34.

The square root of 5533891 is about 2352.4223685384. The cubic root of 5533891 is about 176.8792413672.

It can be divided in two parts, 553 and 3891, that added together give a palindrome (4444).

The spelling of 5533891 in words is "five million, five hundred thirty-three thousand, eight hundred ninety-one".