52381228 has 6 divisors (see below), whose sum is σ = 91667156. Its totient is φ = 26190612.

The previous prime is 52381207. The next prime is 52381229. The reversal of 52381228 is 82218325.

52381228 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 52381228.

It is not an unprimeable number, because it can be changed into a prime (52381229) by changing a digit.

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 as a sum of consecutive naturals, namely, 6547650 + ... + 6547657.

Almost surely, 2^52381228 is an apocalyptic number.

It is an amenable number.

52381228 is a deficient number, since it is larger than the sum of its proper divisors (39285928).

52381228 is a wasteful number, since it uses less digits than its factorization.

52381228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13095311 (or 13095309 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 52381228 is about 7237.4876856545. The cubic root of 52381228 is about 374.1610352496.

The spelling of 52381228 in words is "fifty-two million, three hundred eighty-one thousand, two hundred twenty-eight".