52511232 has 80 divisors (see below), whose sum is σ = 148195872. Its totient is φ = 16465920.

The previous prime is 52511227. The next prime is 52511233. The reversal of 52511232 is 23211525.

It is a junction number, because it is equal to n+sod(n) for n = 52511199 and 52511208.

It is not an unprimeable number, because it can be changed into a prime (52511233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25107 + ... + 27117.

Almost surely, 2^52511232 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 52511232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74097936).

52511232 is an abundant number, since it is smaller than the sum of its proper divisors (95684640).

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

52511232 is a wasteful number, since it uses less digits than its factorization.

52511232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2033 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 52511232 is about 7246.4634132796. The cubic root of 52511232 is about 374.4703206361.

Adding to 52511232 its reverse (23211525), we get a palindrome (75722757).

The spelling of 52511232 in words is "fifty-two million, five hundred eleven thousand, two hundred thirty-two".