52272384 has 72 divisors (see below), whose sum is σ = 143979360. Its totient is φ = 16816128.

The previous prime is 52272361. The next prime is 52272403. The reversal of 52272384 is 48327225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21099 + ... + 23445.

Almost surely, 2^52272384 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 52272384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71989680).

52272384 is an abundant number, since it is smaller than the sum of its proper divisors (91706976).

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

52272384 is a wasteful number, since it uses less digits than its factorization.

52272384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2381 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 52272384 is about 7229.9643152646. The cubic root of 52272384 is about 373.9016966419.

The spelling of 52272384 in words is "fifty-two million, two hundred seventy-two thousand, three hundred eighty-four".