52656324140 has 96 divisors (see below), whose sum is σ = 129342595200. Its totient is φ = 17999235072.

The previous prime is 52656324113. The next prime is 52656324143. The reversal of 52656324140 is 4142365625.

52656324140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52656324094 and 52656324103.

It is not an unprimeable number, because it can be changed into a prime (52656324143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2300432 + ... + 2323208.

It is an arithmetic number, because the mean of its divisors is an integer number (1347318700).

Almost surely, 2^52656324140 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 52656324140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64671297600).

52656324140 is an abundant number, since it is smaller than the sum of its proper divisors (76686271060).

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

52656324140 is a wasteful number, since it uses less digits than its factorization.

52656324140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23144 (or 23128 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 52656324140 its reverse (4142365625), we get a palindrome (56798689765).

The spelling of 52656324140 in words is "fifty-two billion, six hundred fifty-six million, three hundred twenty-four thousand, one hundred forty".