52381585 has 16 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 41238720.

The previous prime is 52381583. The next prime is 52381597. The reversal of 52381585 is 58518325.

It is not a de Polignac number, because 52381585 - 2¹ = 52381583 is a prime.

It is a super-2 number, since 2×52381585² = 5487660894224450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52381583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121320 + ... + 121750.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^52381585 is an apocalyptic number.

It is an amenable number.

52381585 is a deficient number, since it is larger than the sum of its proper divisors (11485295).

52381585 is a wasteful number, since it uses less digits than its factorization.

52381585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its digits is 48000, while the sum is 37.

The square root of 52381585 is about 7237.5123488668. The cubic root of 52381585 is about 374.1618852691.

The spelling of 52381585 in words is "fifty-two million, three hundred eighty-one thousand, five hundred eighty-five".