55332003 has 4 divisors (see below), whose sum is σ = 73776008. Its totient is φ = 36888000.

The previous prime is 55331963. The next prime is 55332031. The reversal of 55332003 is 30023355.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55332003 - 2¹⁴ = 55315619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55332103) 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, 9221998 + ... + 9222003.

It is an arithmetic number, because the mean of its divisors is an integer number (18444002).

Almost surely, 2^55332003 is an apocalyptic number.

55332003 is a deficient number, since it is larger than the sum of its proper divisors (18444005).

55332003 is a wasteful number, since it uses less digits than its factorization.

55332003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18444004.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 55332003 is about 7438.5484471098. The cubic root of 55332003 is about 381.0589185617.

Adding to 55332003 its reverse (30023355), we get a palindrome (85355358).

The spelling of 55332003 in words is "fifty-five million, three hundred thirty-two thousand, three".