52750280 has 64 divisors (see below), whose sum is σ = 130870080. Its totient is φ = 18976000.

The previous prime is 52750279. The next prime is 52750297. The reversal of 52750280 is 8205725.

52750280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43847 + ... + 45033.

It is an arithmetic number, because the mean of its divisors is an integer number (2044845).

Almost surely, 2^52750280 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 52750280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65435040).

52750280 is an abundant number, since it is smaller than the sum of its proper divisors (78119800).

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

52750280 is a wasteful number, since it uses less digits than its factorization.

52750280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 52750280 is about 7262.9387991363. The cubic root of 52750280 is about 375.0376969511.

The spelling of 52750280 in words is "fifty-two million, seven hundred fifty thousand, two hundred eighty".