52768456 has 32 divisors (see below), whose sum is σ = 107767800. Its totient is φ = 24076800.

The previous prime is 52768447. The next prime is 52768489. The reversal of 52768456 is 65486725.

It can be written as a sum of positive squares in 4 ways, for example, as 37822500 + 14945956 = 6150^2 + 3866^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6406 + ... + 12106.

Almost surely, 2^52768456 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 52768456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53883900).

52768456 is an abundant number, since it is smaller than the sum of its proper divisors (54999344).

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

52768456 is a wasteful number, since it uses less digits than its factorization.

52768456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809 (or 5805 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 52768456 is about 7264.1899754894. The cubic root of 52768456 is about 375.0807671958.

The spelling of 52768456 in words is "fifty-two million, seven hundred sixty-eight thousand, four hundred fifty-six".