52385691 has 8 divisors (see below), whose sum is σ = 72100864. Its totient is φ = 33797160.

The previous prime is 52385689. The next prime is 52385701. The reversal of 52385691 is 19658325.

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

It is not a de Polignac number, because 52385691 - 2¹ = 52385689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52385681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281551 + ... + 281736.

It is an arithmetic number, because the mean of its divisors is an integer number (9012608).

Almost surely, 2^52385691 is an apocalyptic number.

52385691 is a deficient number, since it is larger than the sum of its proper divisors (19715173).

52385691 is a wasteful number, since it uses less digits than its factorization.

52385691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563321.

The product of its digits is 64800, while the sum is 39.

The square root of 52385691 is about 7237.7960043096. The cubic root of 52385691 is about 374.1716614055.

The spelling of 52385691 in words is "fifty-two million, three hundred eighty-five thousand, six hundred ninety-one".