52643938 has 8 divisors (see below), whose sum is σ = 79004160. Its totient is φ = 26309220.

The previous prime is 52643923. The next prime is 52643939. The reversal of 52643938 is 83934625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52643938.

It is not an unprimeable number, because it can be changed into a prime (52643939) 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, 103 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (9875520).

Almost surely, 2^52643938 is an apocalyptic number.

52643938 is a deficient number, since it is larger than the sum of its proper divisors (26360222).

52643938 is a wasteful number, since it uses less digits than its factorization.

52643938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12752.

The product of its digits is 155520, while the sum is 40.

The square root of 52643938 is about 7255.6142400213. The cubic root of 52643938 is about 374.7855081535.

The spelling of 52643938 in words is "fifty-two million, six hundred forty-three thousand, nine hundred thirty-eight".