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5533 = 11503

5533 has 4 divisors (see below), whose sum is σ = 6048. Its totient is φ = 5020.

The previous prime is 5531. The next prime is 5557. The reversal of 5533 is 3355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5533 - 21 = 5531 is a prime.

It is a super-2 number, since 2×55332 = 61228178, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531) 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, 241 + ... + 262.

It is an arithmetic number, because the mean of its divisors is an integer number (1512).

25533 is an apocalyptic number.

It is an amenable number.

5533 is a deficient number, since it is larger than the sum of its proper divisors (515).

5533 is a wasteful number, since it uses less digits than its factorization.

5533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its digits is 225, while the sum is 16.

The square root of 5533 is about 74.3841380941. The cubic root of 5533 is about 17.6869747874.

Adding to 5533 its reverse (3355), we get a palindrome (8888).

It can be divided in two parts, 55 and 33, that added together give a palindrome (88).

The spelling of 5533 in words is "five thousand, five hundred thirty-three".

Divisors: 1 11 503 5533