55003533 has 16 divisors (see below), whose sum is σ = 79160256. Its totient is φ = 33770880.

The previous prime is 55003477. The next prime is 55003549. The reversal of 55003533 is 33530055.

55003533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55003533 - 2⁶ = 55003469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55003033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18966 + ... + 21672.

It is an arithmetic number, because the mean of its divisors is an integer number (4947516).

Almost surely, 2^55003533 is an apocalyptic number.

It is an amenable number.

55003533 is a deficient number, since it is larger than the sum of its proper divisors (24156723).

55003533 is a wasteful number, since it uses less digits than its factorization.

55003533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244.

The product of its (nonzero) digits is 3375, while the sum is 24.

The square root of 55003533 is about 7416.4366780820. The cubic root of 55003533 is about 380.3033888297.

Adding to 55003533 its reverse (33530055), we get a palindrome (88533588).

The spelling of 55003533 in words is "fifty-five million, three thousand, five hundred thirty-three".