52688329 has 4 divisors (see below), whose sum is σ = 52707600. Its totient is φ = 52669060.

The previous prime is 52688327. The next prime is 52688353. The reversal of 52688329 is 92388625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52688329 - 2¹ = 52688327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52688327) 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, 4687 + ... + 11284.

It is an arithmetic number, because the mean of its divisors is an integer number (13176900).

Almost surely, 2^52688329 is an apocalyptic number.

It is an amenable number.

52688329 is a deficient number, since it is larger than the sum of its proper divisors (19271).

52688329 is a wasteful number, since it uses less digits than its factorization.

52688329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19270.

The product of its digits is 207360, while the sum is 43.

The square root of 52688329 is about 7258.6726748077. The cubic root of 52688329 is about 374.8908221429.

The spelling of 52688329 in words is "fifty-two million, six hundred eighty-eight thousand, three hundred twenty-nine".