55421031134222 has 48 divisors (see below), whose sum is σ = 93721487565888. Its totient is φ = 24431902756800.

The previous prime is 55421031134197. The next prime is 55421031134233. The reversal of 55421031134222 is 22243113012455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6767483 + ... + 12515625.

It is an arithmetic number, because the mean of its divisors is an integer number (1952530990956).

Almost surely, 2^{55421031134222} is an apocalyptic number.

55421031134222 is a deficient number, since it is larger than the sum of its proper divisors (38300456431666).

55421031134222 is a wasteful number, since it uses less digits than its factorization.

55421031134222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748905 (or 5748882 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 55421031134222 its reverse (22243113012455), we get a palindrome (77664144146677).

The spelling of 55421031134222 in words is "fifty-five trillion, four hundred twenty-one billion, thirty-one million, one hundred thirty-four thousand, two hundred twenty-two".