52208237 has 4 divisors (see below), whose sum is σ = 52478940. Its totient is φ = 51937536.

The previous prime is 52208231. The next prime is 52208239. The reversal of 52208237 is 73280225.

52208237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 18498601 + 33709636 = 4301^2 + 5806^2 .

It is a cyclic number.

It is not a de Polignac number, because 52208237 - 2¹⁰ = 52207213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52208231) 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 3 ways as a sum of consecutive naturals, for example, 135062 + ... + 135447.

It is an arithmetic number, because the mean of its divisors is an integer number (13119735).

Almost surely, 2^52208237 is an apocalyptic number.

It is an amenable number.

52208237 is a deficient number, since it is larger than the sum of its proper divisors (270703).

52208237 is a wasteful number, since it uses less digits than its factorization.

52208237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270702.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 52208237 is about 7225.5267628042. The cubic root of 52208237 is about 373.7486872957.

The spelling of 52208237 in words is "fifty-two million, two hundred eight thousand, two hundred thirty-seven".