52317139 has 8 divisors (see below), whose sum is σ = 59834880. Its totient is φ = 44810376.

The previous prime is 52317053. The next prime is 52317169. The reversal of 52317139 is 93171325.

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 52317139 - 2¹⁷ = 52186067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52317139.

It is not an unprimeable number, because it can be changed into a prime (52317169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16332 + ... + 19270.

It is an arithmetic number, because the mean of its divisors is an integer number (7479360).

Almost surely, 2^52317139 is an apocalyptic number.

52317139 is a deficient number, since it is larger than the sum of its proper divisors (7517741).

52317139 is a wasteful number, since it uses less digits than its factorization.

52317139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489.

The product of its digits is 5670, while the sum is 31.

The square root of 52317139 is about 7233.0587582295. The cubic root of 52317139 is about 374.0083762792.

The spelling of 52317139 in words is "fifty-two million, three hundred seventeen thousand, one hundred thirty-nine".