55422180044 has 96 divisors (see below), whose sum is σ = 123855384576. Its totient is φ = 21070082880.

The previous prime is 55422180041. The next prime is 55422180061. The reversal of 55422180044 is 44008122455.

It is a junction number, because it is equal to n+sod(n) for n = 55422179986 and 55422180013.

It is not an unprimeable number, because it can be changed into a prime (55422180041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23612879 + ... + 23615225.

It is an arithmetic number, because the mean of its divisors is an integer number (1290160256).

Almost surely, 2^55422180044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55422180044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61927692288).

55422180044 is an abundant number, since it is smaller than the sum of its proper divisors (68433204532).

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

55422180044 is a wasteful number, since it uses less digits than its factorization.

55422180044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195 (or 4193 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The spelling of 55422180044 in words is "fifty-five billion, four hundred twenty-two million, one hundred eighty thousand, forty-four".