55002133 has 4 divisors (see below), whose sum is σ = 55117440. Its totient is φ = 54886828.

The previous prime is 55002083. The next prime is 55002137. The reversal of 55002133 is 33120055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55002133 - 2⁹ = 55001621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55002133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55002137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56935 + ... + 57892.

It is an arithmetic number, because the mean of its divisors is an integer number (13779360).

Almost surely, 2^55002133 is an apocalyptic number.

It is an amenable number.

55002133 is a deficient number, since it is larger than the sum of its proper divisors (115307).

55002133 is a wasteful number, since it uses less digits than its factorization.

55002133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115306.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 55002133 is about 7416.3422925321. The cubic root of 55002133 is about 380.3001621930.

Adding to 55002133 its reverse (33120055), we get a palindrome (88122188).

The spelling of 55002133 in words is "fifty-five million, two thousand, one hundred thirty-three".