52428386 has 4 divisors (see below), whose sum is σ = 78642582. Its totient is φ = 26214192.

The previous prime is 52428379. The next prime is 52428401. The reversal of 52428386 is 68382425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33235225 + 19193161 = 5765^2 + 4381^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13107095 + ... + 13107098.

Almost surely, 2^52428386 is an apocalyptic number.

52428386 is a deficient number, since it is larger than the sum of its proper divisors (26214196).

52428386 is a wasteful number, since it uses less digits than its factorization.

52428386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26214195.

The product of its digits is 92160, while the sum is 38.

The square root of 52428386 is about 7240.7448511876. The cubic root of 52428386 is about 374.2732853460.

The spelling of 52428386 in words is "fifty-two million, four hundred twenty-eight thousand, three hundred eighty-six".