53226366444 has 72 divisors (see below), whose sum is σ = 142818294528. Its totient is φ = 16656330240.

The previous prime is 53226366421. The next prime is 53226366449. The reversal of 53226366444 is 44466362235.

53226366444 is a `hidden beast` number, since 5 + 3 + 2 + 2 + 636 + 6 + 4 + 4 + 4 = 666.

53226366444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53226366444.

It is not an unprimeable number, because it can be changed into a prime (53226366449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133429 + ... + 352499.

It is an arithmetic number, because the mean of its divisors is an integer number (1983587424).

Almost surely, 2^53226366444 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 53226366444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71409147264).

53226366444 is an abundant number, since it is smaller than the sum of its proper divisors (89591928084).

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

53226366444 is a wasteful number, since it uses less digits than its factorization.

53226366444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219495 (or 219490 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 45.

The spelling of 53226366444 in words is "fifty-three billion, two hundred twenty-six million, three hundred sixty-six thousand, four hundred forty-four".