52553233420 has 48 divisors (see below), whose sum is σ = 113766327360. Its totient is φ = 20377039104.

The previous prime is 52553233391. The next prime is 52553233459. The reversal of 52553233420 is 2433235525.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67057 + ... + 331063.

It is an arithmetic number, because the mean of its divisors is an integer number (2370131820).

Almost surely, 2^52553233420 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 52553233420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56883163680).

52553233420 is an abundant number, since it is smaller than the sum of its proper divisors (61213093940).

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

52553233420 is a wasteful number, since it uses less digits than its factorization.

52553233420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264322 (or 264320 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 52553233420 its reverse (2433235525), we get a palindrome (54986468945).

The spelling of 52553233420 in words is "fifty-two billion, five hundred fifty-three million, two hundred thirty-three thousand, four hundred twenty".