52009312 has 24 divisors (see below), whose sum is σ = 102555936. Its totient is φ = 25963392.

The previous prime is 52009303. The next prime is 52009313. The reversal of 52009312 is 21390025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52009313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34233 + ... + 35719.

It is an arithmetic number, because the mean of its divisors is an integer number (4273164).

Almost surely, 2^52009312 is an apocalyptic number.

It is an amenable number.

52009312 is a deficient number, since it is larger than the sum of its proper divisors (50546624).

52009312 is a wasteful number, since it uses less digits than its factorization.

52009312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 52009312 is about 7211.7481930528. The cubic root of 52009312 is about 373.2733945723.

Adding to 52009312 its reverse (21390025), we get a palindrome (73399337).

The spelling of 52009312 in words is "fifty-two million, nine thousand, three hundred twelve".