53523223320 has 192 divisors, whose sum is σ = 189345345120. Its totient is φ = 12066195456.

The previous prime is 53523223319. The next prime is 53523223331. The reversal of 53523223320 is 2332232535.

53523223320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 366894 + ... + 491586.

Almost surely, 2^53523223320 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 53523223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94672672560).

53523223320 is an abundant number, since it is smaller than the sum of its proper divisors (135822121800).

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

53523223320 is a wasteful number, since it uses less digits than its factorization.

53523223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124794 (or 124783 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 53523223320 its reverse (2332232535), we get a palindrome (55855455855).

The spelling of 53523223320 in words is "fifty-three billion, five hundred twenty-three million, two hundred twenty-three thousand, three hundred twenty".