52250185 has 8 divisors (see below), whose sum is σ = 67523400. Its totient is φ = 38584704.

The previous prime is 52250167. The next prime is 52250189. The reversal of 52250185 is 58105225.

It can be written as a sum of positive squares in 4 ways, for example, as 9072144 + 43178041 = 3012^2 + 6571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52250185 - 2⁵ = 52250153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52250189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401860 + ... + 401989.

It is an arithmetic number, because the mean of its divisors is an integer number (8440425).

Almost surely, 2^52250185 is an apocalyptic number.

It is an amenable number.

52250185 is a deficient number, since it is larger than the sum of its proper divisors (15273215).

52250185 is a wasteful number, since it uses less digits than its factorization.

52250185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803867.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 52250185 is about 7228.4289441067. The cubic root of 52250185 is about 373.8487597092.

The spelling of 52250185 in words is "fifty-two million, two hundred fifty thousand, one hundred eighty-five".