52717315840 has 144 divisors (see below), whose sum is σ = 148214953152. Its totient is φ = 17585897472.

The previous prime is 52717315829. The next prime is 52717315879. The reversal of 52717315840 is 4851371725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252012 + ... + 411028.

It is an arithmetic number, because the mean of its divisors is an integer number (1029270508).

Almost surely, 2^52717315840 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 52717315840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74107476576).

52717315840 is an abundant number, since it is smaller than the sum of its proper divisors (95497637312).

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

52717315840 is a wasteful number, since it uses less digits than its factorization.

52717315840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159082 (or 159068 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 52717315840 in words is "fifty-two billion, seven hundred seventeen million, three hundred fifteen thousand, eight hundred forty".