52715232 has 192 divisors, whose sum is σ = 168920640. Its totient is φ = 15925248.

The previous prime is 52715207. The next prime is 52715237. The reversal of 52715232 is 23251725.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52715196 and 52715205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52715237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543408 + ... + 543504.

It is an arithmetic number, because the mean of its divisors is an integer number (879795).

Almost surely, 2^52715232 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 52715232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84460320).

52715232 is an abundant number, since it is smaller than the sum of its proper divisors (116205408).

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

52715232 is a wasteful number, since it uses less digits than its factorization.

52715232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 156 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 52715232 is about 7260.5256008088. The cubic root of 52715232 is about 374.9546185083.

Adding to 52715232 its reverse (23251725), we get a palindrome (75966957).

The spelling of 52715232 in words is "fifty-two million, seven hundred fifteen thousand, two hundred thirty-two".