52072768 has 112 divisors (see below), whose sum is σ = 126187200. Its totient is φ = 21012480.

The previous prime is 52072763. The next prime is 52072781. The reversal of 52072768 is 86727025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52072763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227278 + ... + 227506.

Almost surely, 2^52072768 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 52072768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63093600).

52072768 is an abundant number, since it is smaller than the sum of its proper divisors (74114432).

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

52072768 is a wasteful number, since it uses less digits than its factorization.

52072768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 52072768 is about 7216.1463399795. The cubic root of 52072768 is about 373.4251418201.

The spelling of 52072768 in words is "fifty-two million, seventy-two thousand, seven hundred sixty-eight".