2155533003 has 48 divisors (see below), whose sum is σ = 3574299456. Its totient is φ = 1240012800.

The previous prime is 2155533001. The next prime is 2155533007. The reversal of 2155533003 is 3003355512.

It is not a de Polignac number, because 2155533003 - 2¹ = 2155533001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2155533001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296751 + ... + 303927.

It is an arithmetic number, because the mean of its divisors is an integer number (74464572).

Almost surely, 2^2155533003 is an apocalyptic number.

2155533003 is a deficient number, since it is larger than the sum of its proper divisors (1418766453).

2155533003 is a wasteful number, since it uses less digits than its factorization.

2155533003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364 (or 7361 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 2155533003 is about 46427.7180464429. The cubic root of 2155533003 is about 1291.7691015056.

Adding to 2155533003 its reverse (3003355512), we get a palindrome (5158888515).

The spelling of 2155533003 in words is "two billion, one hundred fifty-five million, five hundred thirty-three thousand, three".