55221522344 has 8 divisors (see below), whose sum is σ = 103540354410. Its totient is φ = 27610761168.

The previous prime is 55221522289. The next prime is 55221522353. The reversal of 55221522344 is 44322512255.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45526756900 + 9694765444 = 213370^2 + 98462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3451345139 + ... + 3451345154.

Almost surely, 2^55221522344 is an apocalyptic number.

It is an amenable number.

55221522344 is a deficient number, since it is larger than the sum of its proper divisors (48318832066).

55221522344 is a wasteful number, since it uses less digits than its factorization.

55221522344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6902690299 (or 6902690295 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The spelling of 55221522344 in words is "fifty-five billion, two hundred twenty-one million, five hundred twenty-two thousand, three hundred forty-four".