55440226326 has 16 divisors (see below), whose sum is σ = 111023903664. Its totient is φ = 18456166944.

The previous prime is 55440226321. The next prime is 55440226337. The reversal of 55440226326 is 62362204455.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55440226321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5972101 + ... + 5981376.

It is an arithmetic number, because the mean of its divisors is an integer number (6938993979).

Almost surely, 2^55440226326 is an apocalyptic number.

55440226326 is an abundant number, since it is smaller than the sum of its proper divisors (55583677338).

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

55440226326 is a wasteful number, since it uses less digits than its factorization.

55440226326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954255.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 55440226326 in words is "fifty-five billion, four hundred forty million, two hundred twenty-six thousand, three hundred twenty-six".