56445220000 has 240 divisors, whose sum is σ = 156064043520. Its totient is φ = 19933056000.

The previous prime is 56445219997. The next prime is 56445220031. The reversal of 56445220000 is 2254465.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5975281 + ... + 5984719.

It is an arithmetic number, because the mean of its divisors is an integer number (650266848).

Almost surely, 2^56445220000 is an apocalyptic number.

56445220000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56445220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78032021760).

56445220000 is an abundant number, since it is smaller than the sum of its proper divisors (99618823520).

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

56445220000 is a wasteful number, since it uses less digits than its factorization.

56445220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505 (or 9482 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 56445220000 its reverse (2254465), we get a palindrome (56447474465).

The spelling of 56445220000 in words is "fifty-six billion, four hundred forty-five million, two hundred twenty thousand".