52185601 has 4 divisors (see below), whose sum is σ = 56199892. Its totient is φ = 48171312.

The previous prime is 52185569. The next prime is 52185619. The reversal of 52185601 is 10658125.

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 4906225 + 47279376 = 2215^2 + 6876^2 .

It is a cyclic number.

It is not a de Polignac number, because 52185601 - 2⁵ = 52185569 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 52185601.

It is not an unprimeable number, because it can be changed into a prime (52185641) 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, 2007126 + ... + 2007151.

It is an arithmetic number, because the mean of its divisors is an integer number (14049973).

Almost surely, 2^52185601 is an apocalyptic number.

It is an amenable number.

52185601 is a deficient number, since it is larger than the sum of its proper divisors (4014291).

52185601 is a wasteful number, since it uses less digits than its factorization.

52185601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014290.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 52185601 is about 7223.9602019945. The cubic root of 52185601 is about 373.6946639029.

The spelling of 52185601 in words is "fifty-two million, one hundred eighty-five thousand, six hundred one".