52103232 has 126 divisors (see below), whose sum is σ = 159153098. Its totient is φ = 16293888.

The previous prime is 52103231. The next prime is 52103237. The reversal of 52103232 is 23230125.

It can be written as a sum of positive squares in 3 ways, for example, as 5645376 + 46457856 = 2376^2 + 6816^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52103231) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 166308 + ... + 166620.

Almost surely, 2^52103232 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 52103232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79576549).

52103232 is an abundant number, since it is smaller than the sum of its proper divisors (107049866).

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

52103232 is a wasteful number, since it uses less digits than its factorization.

52103232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52103232 is about 7218.2568532853. The cubic root of 52103232 is about 373.4979489465.

Adding to 52103232 its reverse (23230125), we get a palindrome (75333357).

The spelling of 52103232 in words is "fifty-two million, one hundred three thousand, two hundred thirty-two".