52515162432 has 112 divisors (see below), whose sum is σ = 155601131520. Its totient is φ = 17367146496.

The previous prime is 52515162431. The next prime is 52515162457. The reversal of 52515162432 is 23426151525.

52515162432 is a `hidden beast` number, since 5 + 25 + 1 + 5 + 1 + 624 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515162431) 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, 99808 + ... + 339104.

Almost surely, 2^52515162432 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 52515162432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77800565760).

52515162432 is an abundant number, since it is smaller than the sum of its proper divisors (103085969088).

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

52515162432 is a wasteful number, since it uses less digits than its factorization.

52515162432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239445 (or 239429 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 52515162432 in words is "fifty-two billion, five hundred fifteen million, one hundred sixty-two thousand, four hundred thirty-two".