52153587840 has 192 divisors, whose sum is σ = 168309253440. Its totient is φ = 13736577024.

The previous prime is 52153587817. The next prime is 52153587881. The reversal of 52153587840 is 4878535125.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 52153587840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13224909 + ... + 13228851.

It is an arithmetic number, because the mean of its divisors is an integer number (876610695).

Almost surely, 2^52153587840 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 52153587840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84154626720).

52153587840 is an abundant number, since it is smaller than the sum of its proper divisors (116155665600).

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

52153587840 is an equidigital number, since it uses as much as digits as its factorization.

52153587840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131 (or 4036 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 52153587840 in words is "fifty-two billion, one hundred fifty-three million, five hundred eighty-seven thousand, eight hundred forty".