55622441172 has 12 divisors (see below), whose sum is σ = 129785696096. Its totient is φ = 18540813720.

The previous prime is 55622441167. The next prime is 55622441191. The reversal of 55622441172 is 27114422655.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 55622441172.

It is a congruent number.

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, 2317601704 + ... + 2317601727.

Almost surely, 2^55622441172 is an apocalyptic number.

It is an amenable number.

55622441172 is an abundant number, since it is smaller than the sum of its proper divisors (74163254924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55622441172 is a wasteful number, since it uses less digits than its factorization.

55622441172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635203438 (or 4635203436 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The spelling of 55622441172 in words is "fifty-five billion, six hundred twenty-two million, four hundred forty-one thousand, one hundred seventy-two".