55033003 has 4 divisors (see below), whose sum is σ = 55567408. Its totient is φ = 54498600.

The previous prime is 55032983. The next prime is 55033049. The reversal of 55033003 is 30033055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55033003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55033093) 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, 267048 + ... + 267253.

It is an arithmetic number, because the mean of its divisors is an integer number (13891852).

Almost surely, 2^55033003 is an apocalyptic number.

55033003 is a deficient number, since it is larger than the sum of its proper divisors (534405).

55033003 is a wasteful number, since it uses less digits than its factorization.

55033003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534404.

The product of its (nonzero) digits is 675, while the sum is 19.

The square root of 55033003 is about 7418.4232152122. The cubic root of 55033003 is about 380.3712968303.

Adding to 55033003 its reverse (30033055), we get a palindrome (85066058).

The spelling of 55033003 in words is "fifty-five million, thirty-three thousand, three".