53632320021344 has 96 divisors (see below), whose sum is σ = 110866137709824. Its totient is φ = 25490507328000.

The previous prime is 53632320021317. The next prime is 53632320021347. The reversal of 53632320021344 is 44312002323635.

It is a junction number, because it is equal to n+sod(n) for n = 53632320021298 and 53632320021307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53632320021347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286521767 + ... + 286708889.

It is an arithmetic number, because the mean of its divisors is an integer number (1154855601144).

Almost surely, 2^{53632320021344} 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 53632320021344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55433068854912).

53632320021344 is an abundant number, since it is smaller than the sum of its proper divisors (57233817688480).

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

53632320021344 is a wasteful number, since it uses less digits than its factorization.

53632320021344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189580 (or 189572 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 53632320021344 its reverse (44312002323635), we get a palindrome (97944322344979).

The spelling of 53632320021344 in words is "fifty-three trillion, six hundred thirty-two billion, three hundred twenty million, twenty-one thousand, three hundred forty-four".