52151025520 has 80 divisors (see below), whose sum is σ = 132441710688. Its totient is φ = 18939960320.

The previous prime is 52151025517. The next prime is 52151025527. The reversal of 52151025520 is 2552015125.

52151025520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×52151025520³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52151025527) 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, 664182 + ... + 738538.

Almost surely, 2^52151025520 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 52151025520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66220855344).

52151025520 is an abundant number, since it is smaller than the sum of its proper divisors (80290685168).

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

52151025520 is a wasteful number, since it uses less digits than its factorization.

52151025520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75178 (or 75172 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 52151025520 in words is "fifty-two billion, one hundred fifty-one million, twenty-five thousand, five hundred twenty".