55044323422 has 32 divisors (see below), whose sum is σ = 94569275520. Its totient is φ = 23796806880.

The previous prime is 55044323387. The next prime is 55044323423. The reversal of 55044323422 is 22432344055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55044323423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 601108 + ... + 686599.

It is an arithmetic number, because the mean of its divisors is an integer number (2955289860).

Almost surely, 2^55044323422 is an apocalyptic number.

55044323422 is a deficient number, since it is larger than the sum of its proper divisors (39524952098).

55044323422 is a wasteful number, since it uses less digits than its factorization.

55044323422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287816.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 55044323422 its reverse (22432344055), we get a palindrome (77476667477).

The spelling of 55044323422 in words is "fifty-five billion, forty-four million, three hundred twenty-three thousand, four hundred twenty-two".