52185085 has 4 divisors (see below), whose sum is σ = 62622108. Its totient is φ = 41748064.

The previous prime is 52185083. The next prime is 52185097. The reversal of 52185085 is 58058125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30404196 + 21780889 = 5514^2 + 4667^2 .

It is a cyclic number.

It is not a de Polignac number, because 52185085 - 2¹ = 52185083 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 52185085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52185083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5218504 + ... + 5218513.

It is an arithmetic number, because the mean of its divisors is an integer number (15655527).

Almost surely, 2^52185085 is an apocalyptic number.

It is an amenable number.

52185085 is a deficient number, since it is larger than the sum of its proper divisors (10437023).

52185085 is a wasteful number, since it uses less digits than its factorization.

52185085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10437022.

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

The square root of 52185085 is about 7223.9244874237. The cubic root of 52185085 is about 373.6934322280.

The spelling of 52185085 in words is "fifty-two million, one hundred eighty-five thousand, eighty-five".