52439286 has 32 divisors (see below), whose sum is σ = 108345600. Its totient is φ = 16907616.

The previous prime is 52439281. The next prime is 52439293. The reversal of 52439286 is 68293425.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52439281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43585 + ... + 44771.

It is an arithmetic number, because the mean of its divisors is an integer number (3385800).

Almost surely, 2^52439286 is an apocalyptic number.

52439286 is an abundant number, since it is smaller than the sum of its proper divisors (55906314).

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

52439286 is a wasteful number, since it uses less digits than its factorization.

52439286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428.

The product of its digits is 103680, while the sum is 39.

The square root of 52439286 is about 7241.4974970651. The cubic root of 52439286 is about 374.2992210170.

It can be divided in two parts, 52439 and 286, that added together give a palindrome (52725).

The spelling of 52439286 in words is "fifty-two million, four hundred thirty-nine thousand, two hundred eighty-six".