52134639 has 4 divisors (see below), whose sum is σ = 69512856. Its totient is φ = 34756424.

The previous prime is 52134637. The next prime is 52134659. The reversal of 52134639 is 93643125.

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

It is a cyclic number.

It is not a de Polignac number, because 52134639 - 2¹ = 52134637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52134637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8689104 + ... + 8689109.

It is an arithmetic number, because the mean of its divisors is an integer number (17378214).

Almost surely, 2^52134639 is an apocalyptic number.

52134639 is a deficient number, since it is larger than the sum of its proper divisors (17378217).

52134639 is a wasteful number, since it uses less digits than its factorization.

52134639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17378216.

The product of its digits is 19440, while the sum is 33.

The square root of 52134639 is about 7220.4320507848. The cubic root of 52134639 is about 373.5729800815.

The spelling of 52134639 in words is "fifty-two million, one hundred thirty-four thousand, six hundred thirty-nine".