55444415222 has 12 divisors (see below), whose sum is σ = 96744847140. Its totient is φ = 23761892196.

The previous prime is 55444415197. The next prime is 55444415231. The reversal of 55444415222 is 22251444455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282879572 + ... + 282879767.

It is an arithmetic number, because the mean of its divisors is an integer number (8062070595).

Almost surely, 2^55444415222 is an apocalyptic number.

55444415222 is a deficient number, since it is larger than the sum of its proper divisors (41300431918).

55444415222 is a wasteful number, since it uses less digits than its factorization.

55444415222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565759355 (or 565759348 counting only the distinct ones).

The product of its digits is 256000, while the sum is 38.

Adding to 55444415222 its reverse (22251444455), we get a palindrome (77695859677).

The spelling of 55444415222 in words is "fifty-five billion, four hundred forty-four million, four hundred fifteen thousand, two hundred twenty-two".