52381385 has 32 divisors (see below), whose sum is σ = 76170240. Its totient is φ = 33780672.

The previous prime is 52381379. The next prime is 52381409. The reversal of 52381385 is 58318325.

It is a cyclic number.

It is not a de Polignac number, because 52381385 - 2⁸ = 52381129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150782 + ... + 151128.

It is an arithmetic number, because the mean of its divisors is an integer number (2380320).

Almost surely, 2^52381385 is an apocalyptic number.

It is an amenable number.

52381385 is a deficient number, since it is larger than the sum of its proper divisors (23788855).

52381385 is a wasteful number, since it uses less digits than its factorization.

52381385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its digits is 28800, while the sum is 35.

The square root of 52381385 is about 7237.4985319515. The cubic root of 52381385 is about 374.1614090682.

The spelling of 52381385 in words is "fifty-two million, three hundred eighty-one thousand, three hundred eighty-five".