52171539 has 8 divisors (see below), whose sum is σ = 79499520. Its totient is φ = 29812296.

The previous prime is 52171529. The next prime is 52171541. The reversal of 52171539 is 93517125.

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

It is not a de Polignac number, because 52171539 - 2⁴ = 52171523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52171529) 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 7 ways as a sum of consecutive naturals, for example, 1242159 + ... + 1242200.

It is an arithmetic number, because the mean of its divisors is an integer number (9937440).

Almost surely, 2^52171539 is an apocalyptic number.

52171539 is a deficient number, since it is larger than the sum of its proper divisors (27327981).

52171539 is a wasteful number, since it uses less digits than its factorization.

52171539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484369.

The product of its digits is 9450, while the sum is 33.

The square root of 52171539 is about 7222.9868475583. The cubic root of 52171539 is about 373.6610954707.

The spelling of 52171539 in words is "fifty-two million, one hundred seventy-one thousand, five hundred thirty-nine".