52643364 has 12 divisors (see below), whose sum is σ = 122834544. Its totient is φ = 17547784.

The previous prime is 52643351. The next prime is 52643369. The reversal of 52643364 is 46334625.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (52643369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193462 + ... + 2193485.

It is an arithmetic number, because the mean of its divisors is an integer number (10236212).

Almost surely, 2^52643364 is an apocalyptic number.

It is an amenable number.

52643364 is an abundant number, since it is smaller than the sum of its proper divisors (70191180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52643364 is a wasteful number, since it uses less digits than its factorization.

52643364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386954 (or 4386952 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 52643364 is about 7255.5746843376. The cubic root of 52643364 is about 374.7841459982.

Adding to 52643364 its reverse (46334625), we get a palindrome (98977989).

The spelling of 52643364 in words is "fifty-two million, six hundred forty-three thousand, three hundred sixty-four".