52750768 has 80 divisors (see below), whose sum is σ = 122760000. Its totient is φ = 21482496.

The previous prime is 52750757. The next prime is 52750781. The reversal of 52750768 is 86705725.

It is a self number, because there is not a number n which added to its sum of digits gives 52750768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353958 + ... + 354106.

It is an arithmetic number, because the mean of its divisors is an integer number (1534500).

Almost surely, 2^52750768 is an apocalyptic number.

52750768 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52750768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61380000).

52750768 is an abundant number, since it is smaller than the sum of its proper divisors (70009232).

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

52750768 is a wasteful number, since it uses less digits than its factorization.

52750768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 52750768 is about 7262.9723942750. The cubic root of 52750768 is about 375.0388534558.

The spelling of 52750768 in words is "fifty-two million, seven hundred fifty thousand, seven hundred sixty-eight".