52206244 has 6 divisors (see below), whose sum is σ = 91360934. Its totient is φ = 26103120.

The previous prime is 52206241. The next prime is 52206277. The reversal of 52206244 is 44260225.

It can be written as a sum of positive squares in only one way, i.e., 41447844 + 10758400 = 6438^2 + 3280^2 .

It is not an unprimeable number, because it can be changed into a prime (52206241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6525777 + ... + 6525784.

Almost surely, 2^52206244 is an apocalyptic number.

It is an amenable number.

52206244 is a deficient number, since it is larger than the sum of its proper divisors (39154690).

52206244 is a wasteful number, since it uses less digits than its factorization.

52206244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13051565 (or 13051563 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 52206244 is about 7225.3888476676. The cubic root of 52206244 is about 373.7439314011.

Adding to 52206244 its reverse (44260225), we get a palindrome (96466469).

The spelling of 52206244 in words is "fifty-two million, two hundred six thousand, two hundred forty-four".