52387685 has 8 divisors (see below), whose sum is σ = 71846016. Its totient is φ = 35922960.

The previous prime is 52387681. The next prime is 52387697. The reversal of 52387685 is 58678325.

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

It is not a de Polignac number, because 52387685 - 2² = 52387681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52387681) 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, 748361 + ... + 748430.

It is an arithmetic number, because the mean of its divisors is an integer number (8980752).

Almost surely, 2^52387685 is an apocalyptic number.

It is an amenable number.

52387685 is a deficient number, since it is larger than the sum of its proper divisors (19458331).

52387685 is a wasteful number, since it uses less digits than its factorization.

52387685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496803.

The product of its digits is 403200, while the sum is 44.

The square root of 52387685 is about 7237.9337521146. The cubic root of 52387685 is about 374.1764088140.

The spelling of 52387685 in words is "fifty-two million, three hundred eighty-seven thousand, six hundred eighty-five".