52259328 has 120 divisors (see below), whose sum is σ = 164694816. Its totient is φ = 15820800.

The previous prime is 52259327. The next prime is 52259341. The reversal of 52259328 is 82395225.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52259292 and 52259301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52259323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50173 + ... + 51203.

Almost surely, 2^52259328 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 52259328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82347408).

52259328 is an abundant number, since it is smaller than the sum of its proper divisors (112435488).

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

52259328 is a wasteful number, since it uses less digits than its factorization.

52259328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1047 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 52259328 is about 7229.0613498573. The cubic root of 52259328 is about 373.8705644158.

The spelling of 52259328 in words is "fifty-two million, two hundred fifty-nine thousand, three hundred twenty-eight".