52128366 has 16 divisors (see below), whose sum is σ = 104446800. Its totient is φ = 17344448.

The previous prime is 52128361. The next prime is 52128379. The reversal of 52128366 is 66382125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52128361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221 + ... + 11048.

It is an arithmetic number, because the mean of its divisors is an integer number (6527925).

Almost surely, 2^52128366 is an apocalyptic number.

52128366 is an abundant number, since it is smaller than the sum of its proper divisors (52318434).

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

52128366 is a wasteful number, since it uses less digits than its factorization.

52128366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15843.

The product of its digits is 17280, while the sum is 33.

The square root of 52128366 is about 7219.9976454290. The cubic root of 52128366 is about 373.5579963308.

The spelling of 52128366 in words is "fifty-two million, one hundred twenty-eight thousand, three hundred sixty-six".