53222320144544 has 96 divisors (see below), whose sum is σ = 111369694455936. Its totient is φ = 24983713244160.

The previous prime is 53222320144537. The next prime is 53222320144561. The reversal of 53222320144544 is 44544102322235.

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 15 ways as a sum of consecutive naturals, for example, 11711234 + ... + 15607614.

It is an arithmetic number, because the mean of its divisors is an integer number (1160100983916).

Almost surely, 2^{53222320144544} 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 53222320144544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55684847227968).

53222320144544 is an abundant number, since it is smaller than the sum of its proper divisors (58147374311392).

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

53222320144544 is a wasteful number, since it uses less digits than its factorization.

53222320144544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896758 (or 3896750 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 53222320144544 its reverse (44544102322235), we get a palindrome (97766422466779).

The spelling of 53222320144544 in words is "fifty-three trillion, two hundred twenty-two billion, three hundred twenty million, one hundred forty-four thousand, five hundred forty-four".