52581085 has 16 divisors (see below), whose sum is σ = 67910832. Its totient is φ = 38937600.

The previous prime is 52581083. The next prime is 52581091. The reversal of 52581085 is 58018525.

It is a happy number.

52581085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 7918596 + 44662489 = 2814^2 + 6683^2 .

It is not a de Polignac number, because 52581085 - 2¹ = 52581083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52581085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52581083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115 + ... + 10255.

It is an arithmetic number, because the mean of its divisors is an integer number (4244427).

Almost surely, 2^52581085 is an apocalyptic number.

It is an amenable number.

52581085 is a deficient number, since it is larger than the sum of its proper divisors (15329747).

52581085 is a wasteful number, since it uses less digits than its factorization.

52581085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10224.

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 52581085 is about 7251.2816108602. The cubic root of 52581085 is about 374.6362932864.

The spelling of 52581085 in words is "fifty-two million, five hundred eighty-one thousand, eighty-five".