53239576320 has 720 divisors, whose sum is σ = 220039216320. Its totient is φ = 12039487488.

The previous prime is 53239576307. The next prime is 53239576349. The reversal of 53239576320 is 2367593235.

53239576320 is a `hidden beast` number, since 5 + 3 + 2 + 3 + 9 + 5 + 7 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 79107504 + ... + 79108176.

Almost surely, 2^53239576320 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 53239576320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110019608160).

53239576320 is an abundant number, since it is smaller than the sum of its proper divisors (166799640000).

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

53239576320 is a wasteful number, since it uses less digits than its factorization.

53239576320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 45.

The spelling of 53239576320 in words is "fifty-three billion, two hundred thirty-nine million, five hundred seventy-six thousand, three hundred twenty".