33218007055 has 16 divisors (see below), whose sum is σ = 42217917984. Its totient is φ = 25004385280.

The previous prime is 33218006959. The next prime is 33218007061. The reversal of 33218007055 is 55070081233.

It is not a de Polignac number, because 33218007055 - 2⁹ = 33218006543 is a prime.

It is a super-2 number, since 2×33218007055² (a number of 22 digits) contains 22 as substring.

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 33218007055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271875 + ... + 374635.

It is an arithmetic number, because the mean of its divisors is an integer number (2638619874).

Almost surely, 2^33218007055 is an apocalyptic number.

33218007055 is a deficient number, since it is larger than the sum of its proper divisors (8999910929).

33218007055 is a wasteful number, since it uses less digits than its factorization.

33218007055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106586.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 33218007055 its reverse (55070081233), we get a palindrome (88288088288).

The spelling of 33218007055 in words is "thirty-three billion, two hundred eighteen million, seven thousand, fifty-five".