52239513 has 8 divisors (see below), whose sum is σ = 71134848. Its totient is φ = 34085264.

The previous prime is 52239497. The next prime is 52239533. The reversal of 52239513 is 31593225.

52239513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52239513 - 2⁴ = 52239497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52239533) 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 in 7 ways as a sum of consecutive naturals, for example, 185106 + ... + 185387.

It is an arithmetic number, because the mean of its divisors is an integer number (8891856).

Almost surely, 2^52239513 is an apocalyptic number.

It is an amenable number.

52239513 is a deficient number, since it is larger than the sum of its proper divisors (18895335).

52239513 is a wasteful number, since it uses less digits than its factorization.

52239513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370543.

The product of its digits is 8100, while the sum is 30.

The square root of 52239513 is about 7227.6907100401. The cubic root of 52239513 is about 373.8233053456.

The spelling of 52239513 in words is "fifty-two million, two hundred thirty-nine thousand, five hundred thirteen".