52752525520 has 80 divisors (see below), whose sum is σ = 125569105920. Its totient is φ = 20600957952.

The previous prime is 52752525451. The next prime is 52752525523. The reversal of 52752525520 is 2552525725.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52752525523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520689 + ... + 1554991.

It is an arithmetic number, because the mean of its divisors is an integer number (1569613824).

Almost surely, 2^52752525520 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 52752525520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62784552960).

52752525520 is an abundant number, since it is smaller than the sum of its proper divisors (72816580400).

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

52752525520 is a wasteful number, since it uses less digits than its factorization.

52752525520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34772 (or 34766 counting only the distinct ones).

The product of its (nonzero) digits is 350000, while the sum is 40.

The spelling of 52752525520 in words is "fifty-two billion, seven hundred fifty-two million, five hundred twenty-five thousand, five hundred twenty".