55133033155 has 4 divisors (see below), whose sum is σ = 66159639792. Its totient is φ = 44106426520.

The previous prime is 55133033119. The next prime is 55133033213.

55133033155 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55133033155 - 2⁷ = 55133033027 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 55133033155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5513303311 + ... + 5513303320.

It is an arithmetic number, because the mean of its divisors is an integer number (16539909948).

Almost surely, 2^55133033155 is an apocalyptic number.

55133033155 is a deficient number, since it is larger than the sum of its proper divisors (11026606637).

55133033155 is a wasteful number, since it uses less digits than its factorization.

55133033155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026606636.

The product of its (nonzero) digits is 50625, while the sum is 34.

It can be divided in two parts, 551330 and 33155, that added together give a palindrome (584485).

The spelling of 55133033155 in words is "fifty-five billion, one hundred thirty-three million, thirty-three thousand, one hundred fifty-five".