53220160344 has 128 divisors (see below), whose sum is σ = 149653728000. Its totient is φ = 15662605824.

The previous prime is 53220160337. The next prime is 53220160361. The reversal of 53220160344 is 44306102235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642027 + ... + 720165.

It is an arithmetic number, because the mean of its divisors is an integer number (1169169750).

Almost surely, 2^53220160344 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 53220160344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74826864000).

53220160344 is an abundant number, since it is smaller than the sum of its proper divisors (96433567656).

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

53220160344 is a wasteful number, since it uses less digits than its factorization.

53220160344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78257 (or 78253 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 53220160344 its reverse (44306102235), we get a palindrome (97526262579).

The spelling of 53220160344 in words is "fifty-three billion, two hundred twenty million, one hundred sixty thousand, three hundred forty-four".