52188380 has 24 divisors (see below), whose sum is σ = 114361632. Its totient is φ = 19967552.

The previous prime is 52188379. The next prime is 52188397. The reversal of 52188380 is 8388125.

52188380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52188380.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 56267 + ... + 57186.

It is an arithmetic number, because the mean of its divisors is an integer number (4765068).

Almost surely, 2^52188380 is an apocalyptic number.

It is an amenable number.

52188380 is an abundant number, since it is smaller than the sum of its proper divisors (62173252).

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

52188380 is a wasteful number, since it uses less digits than its factorization.

52188380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113485 (or 113483 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 52188380 is about 7224.1525454547. The cubic root of 52188380 is about 373.7012971441.

The spelling of 52188380 in words is "fifty-two million, one hundred eighty-eight thousand, three hundred eighty".