52311303240 has 128 divisors (see below), whose sum is σ = 182030146560. Its totient is φ = 11778395904.

The previous prime is 52311303227. The next prime is 52311303241. The reversal of 52311303240 is 4230311325.

52311303240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 52311303240.

It is not an unprimeable number, because it can be changed into a prime (52311303241) 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, 408462 + ... + 521021.

It is an arithmetic number, because the mean of its divisors is an integer number (1422110520).

Almost surely, 2^52311303240 is an apocalyptic number.

It is an amenable number.

52311303240 is an abundant number, since it is smaller than the sum of its proper divisors (129718843320).

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

52311303240 is a wasteful number, since it uses less digits than its factorization.

52311303240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929571 (or 929567 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 52311303240 its reverse (4230311325), we get a palindrome (56541614565).

The spelling of 52311303240 in words is "fifty-two billion, three hundred eleven million, three hundred three thousand, two hundred forty".