2003055533 has 16 divisors (see below), whose sum is σ = 2162426112. Its totient is φ = 1850640000.

The previous prime is 2003055521. The next prime is 2003055547. The reversal of 2003055533 is 3355503002.

It is a cyclic number.

It is not a de Polignac number, because 2003055533 - 2²⁰ = 2002006957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003055503) 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, 84728 + ... + 105758.

It is an arithmetic number, because the mean of its divisors is an integer number (135151632).

Almost surely, 2^2003055533 is an apocalyptic number.

2003055533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2003055533 is a deficient number, since it is larger than the sum of its proper divisors (159370579).

2003055533 is a wasteful number, since it uses less digits than its factorization.

2003055533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 2003055533 is about 44755.5084095802. The cubic root of 2003055533 is about 1260.5623451468.

Adding to 2003055533 its reverse (3355503002), we get a palindrome (5358558535).

The spelling of 2003055533 in words is "two billion, three million, fifty-five thousand, five hundred thirty-three".