52645225232 has 80 divisors (see below), whose sum is σ = 110966469120. Its totient is φ = 24128634240.

The previous prime is 52645225211. The next prime is 52645225249. The reversal of 52645225232 is 23252254625.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 9053558 + ... + 9059370.

It is an arithmetic number, because the mean of its divisors is an integer number (1387080864).

Almost surely, 2^52645225232 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 52645225232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55483234560).

52645225232 is an abundant number, since it is smaller than the sum of its proper divisors (58321243888).

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

52645225232 is an equidigital number, since it uses as much as digits as its factorization.

52645225232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933 (or 5865 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

Adding to 52645225232 its reverse (23252254625), we get a palindrome (75897479857).

The spelling of 52645225232 in words is "fifty-two billion, six hundred forty-five million, two hundred twenty-five thousand, two hundred thirty-two".