52522002144 has 144 divisors (see below), whose sum is σ = 150924533760. Its totient is φ = 17324616960.

The previous prime is 52522002133. The next prime is 52522002149. The reversal of 52522002144 is 44120022525.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52522002149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16055229 + ... + 16058499.

It is an arithmetic number, because the mean of its divisors is an integer number (1048087040).

Almost surely, 2^52522002144 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 52522002144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75462266880).

52522002144 is an abundant number, since it is smaller than the sum of its proper divisors (98402531616).

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

52522002144 is a wasteful number, since it uses less digits than its factorization.

52522002144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853 (or 3842 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 52522002144 its reverse (44120022525), we get a palindrome (96642024669).

The spelling of 52522002144 in words is "fifty-two billion, five hundred twenty-two million, two thousand, one hundred forty-four".