52578282 has 32 divisors (see below), whose sum is σ = 111121920. Its totient is φ = 16539120.

The previous prime is 52578257. The next prime is 52578311. The reversal of 52578282 is 28287525.

It is a happy number.

52578282 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 52578282.

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, 34713 + ... + 36195.

It is an arithmetic number, because the mean of its divisors is an integer number (3472560).

Almost surely, 2^52578282 is an apocalyptic number.

52578282 is an abundant number, since it is smaller than the sum of its proper divisors (58543638).

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

52578282 is a wasteful number, since it uses less digits than its factorization.

52578282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818.

The product of its digits is 89600, while the sum is 39.

The square root of 52578282 is about 7251.0883321057. The cubic root of 52578282 is about 374.6296361131.

The spelling of 52578282 in words is "fifty-two million, five hundred seventy-eight thousand, two hundred eighty-two".