55122245522 has 8 divisors (see below), whose sum is σ = 82808458572. Its totient is φ = 27519426000.

The previous prime is 55122245491. The next prime is 55122245531. The reversal of 55122245522 is 22554222155.

It can be written as a sum of positive squares in 2 ways, for example, as 53838384961 + 1283860561 = 232031^2 + 35831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20846729 + ... + 20849372.

Almost surely, 2^55122245522 is an apocalyptic number.

55122245522 is a deficient number, since it is larger than the sum of its proper divisors (27686213050).

55122245522 is a wasteful number, since it uses less digits than its factorization.

55122245522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41696764.

The product of its digits is 80000, while the sum is 35.

Adding to 55122245522 its reverse (22554222155), we get a palindrome (77676467677).

The spelling of 55122245522 in words is "fifty-five billion, one hundred twenty-two million, two hundred forty-five thousand, five hundred twenty-two".