52545020052 has 72 divisors (see below), whose sum is σ = 142666414464. Its totient is φ = 15008208768.

The previous prime is 52545020051. The next prime is 52545020081. The reversal of 52545020052 is 25002054525.

52545020052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52545020051) 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, 2179488 + ... + 2203464.

Almost surely, 2^52545020052 is an apocalyptic number.

It is an amenable number.

52545020052 is an abundant number, since it is smaller than the sum of its proper divisors (90121394412).

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

52545020052 is a wasteful number, since it uses less digits than its factorization.

52545020052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27725 (or 27716 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

Adding to 52545020052 its reverse (25002054525), we get a palindrome (77547074577).

The spelling of 52545020052 in words is "fifty-two billion, five hundred forty-five million, twenty thousand, fifty-two".