55531331422 has 48 divisors (see below), whose sum is σ = 101280104352. Its totient is φ = 22725964800.

The previous prime is 55531331417. The next prime is 55531331431. The reversal of 55531331422 is 22413313555.

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, 1334158 + ... + 1375150.

It is an arithmetic number, because the mean of its divisors is an integer number (2110002174).

Almost surely, 2^55531331422 is an apocalyptic number.

55531331422 is a deficient number, since it is larger than the sum of its proper divisors (45748772930).

55531331422 is a wasteful number, since it uses less digits than its factorization.

55531331422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41633 (or 41626 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

Adding to 55531331422 its reverse (22413313555), we get a palindrome (77944644977).

It can be divided in two parts, 5553133 and 1422, that added together give a palindrome (5554555).

The spelling of 55531331422 in words is "fifty-five billion, five hundred thirty-one million, three hundred thirty-one thousand, four hundred twenty-two".