52316651520 has 960 divisors, whose sum is σ = 221452492800. Its totient is φ = 11466178560.

The previous prime is 52316651501. The next prime is 52316651533. The reversal of 52316651520 is 2515661325.

52316651520 is a `hidden beast` number, since 5 + 23 + 1 + 66 + 51 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 479969226 + ... + 479969334.

It is an arithmetic number, because the mean of its divisors is an integer number (230679680).

Almost surely, 2^52316651520 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 52316651520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110726246400).

52316651520 is an abundant number, since it is smaller than the sum of its proper divisors (169135841280).

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

52316651520 is a wasteful number, since it uses less digits than its factorization.

52316651520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 52316651520 in words is "fifty-two billion, three hundred sixteen million, six hundred fifty-one thousand, five hundred twenty".