52445232 has 240 divisors, whose sum is σ = 181988352. Its totient is φ = 14307840.

The previous prime is 52445227. The next prime is 52445287. The reversal of 52445232 is 23254425.

It is a happy number.

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

Its product of digits (9600) is a multiple of the sum of its prime divisors (100).

It is a junction number, because it is equal to n+sod(n) for n = 52445196 and 52445205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1115833 + ... + 1115879.

Almost surely, 2^52445232 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 52445232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90994176).

52445232 is an abundant number, since it is smaller than the sum of its proper divisors (129543120).

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

52445232 is a wasteful number, since it uses less digits than its factorization.

52445232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 100 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 52445232 is about 7241.9080358701. The cubic root of 52445232 is about 374.3133675296.

Adding to 52445232 its reverse (23254425), we get a palindrome (75699657).

The spelling of 52445232 in words is "fifty-two million, four hundred forty-five thousand, two hundred thirty-two".