52550305 has 4 divisors (see below), whose sum is σ = 63060372. Its totient is φ = 42040240.

The previous prime is 52550299. The next prime is 52550389. The reversal of 52550305 is 50305525.

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 18584721 + 33965584 = 4311^2 + 5828^2 .

It is not a de Polignac number, because 52550305 - 2⁹ = 52549793 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 52550305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5255026 + ... + 5255035.

It is an arithmetic number, because the mean of its divisors is an integer number (15765093).

Almost surely, 2^52550305 is an apocalyptic number.

It is an amenable number.

52550305 is a deficient number, since it is larger than the sum of its proper divisors (10510067).

52550305 is a wasteful number, since it uses less digits than its factorization.

52550305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510066.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 52550305 is about 7249.1589167296. The cubic root of 52550305 is about 374.5631772859.

The spelling of 52550305 in words is "fifty-two million, five hundred fifty thousand, three hundred five".