52228032 has 56 divisors (see below), whose sum is σ = 144206976. Its totient is φ = 16651008.

The previous prime is 52228021. The next prime is 52228037. The reversal of 52228032 is 23082225.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 52227993 and 52228011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52228037) 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, 1498 + ... + 10329.

Almost surely, 2^52228032 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 52228032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72103488).

52228032 is an abundant number, since it is smaller than the sum of its proper divisors (91978944).

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

52228032 is a wasteful number, since it uses less digits than its factorization.

52228032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11865 (or 11855 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 52228032 is about 7226.8964293118. The cubic root of 52228032 is about 373.7959175212.

The spelling of 52228032 in words is "fifty-two million, two hundred twenty-eight thousand, thirty-two".