55211211334213 has 16 divisors (see below), whose sum is σ = 60261203221632. Its totient is φ = 50166353368000.

The previous prime is 55211211334189. The next prime is 55211211334267. The reversal of 55211211334213 is 31243311211255.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55211211334213 is a prime.

It is a super-2 number, since 2×55211211334213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55211211332213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789700728 + ... + 789770638.

It is an arithmetic number, because the mean of its divisors is an integer number (3766325201352).

Almost surely, 2^{55211211334213} is an apocalyptic number.

It is an amenable number.

55211211334213 is a deficient number, since it is larger than the sum of its proper divisors (5049991887419).

55211211334213 is a wasteful number, since it uses less digits than its factorization.

55211211334213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105596.

The product of its digits is 21600, while the sum is 34.

Adding to 55211211334213 its reverse (31243311211255), we get a palindrome (86454522545468).

The spelling of 55211211334213 in words is "fifty-five trillion, two hundred eleven billion, two hundred eleven million, three hundred thirty-four thousand, two hundred thirteen".