52136593920 has 320 divisors, whose sum is σ = 185658295680. Its totient is φ = 13868236800.

The previous prime is 52136593903. The next prime is 52136593933. The reversal of 52136593920 is 2939563125.

52136593920 is a `hidden beast` number, since 5 + 2 + 1 + 36 + 593 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

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

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, 39466860 + ... + 39468180.

It is an arithmetic number, because the mean of its divisors is an integer number (580182174).

Almost surely, 2^52136593920 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 52136593920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92829147840).

52136593920 is an abundant number, since it is smaller than the sum of its proper divisors (133521701760).

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

52136593920 is a wasteful number, since it uses less digits than its factorization.

52136593920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 52136593920 in words is "fifty-two billion, one hundred thirty-six million, five hundred ninety-three thousand, nine hundred twenty".