52643712 has 128 divisors (see below), whose sum is σ = 155301120. Its totient is φ = 15797760.

The previous prime is 52643693. The next prime is 52643761. The reversal of 52643712 is 21734625.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 52643712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511053 + ... + 511155.

It is an arithmetic number, because the mean of its divisors is an integer number (1213290).

Almost surely, 2^52643712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52643712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77650560).

52643712 is an abundant number, since it is smaller than the sum of its proper divisors (102657408).

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

52643712 is a wasteful number, since it uses less digits than its factorization.

52643712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 119 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 52643712 is about 7255.5986658580. The cubic root of 52643712 is about 374.7849718357.

The spelling of 52643712 in words is "fifty-two million, six hundred forty-three thousand, seven hundred twelve".