52943664 has 80 divisors (see below), whose sum is σ = 141812352. Its totient is φ = 17009664.

The previous prime is 52943663. The next prime is 52943699. The reversal of 52943664 is 46634925.

It is not an unprimeable number, because it can be changed into a prime (52943663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233119 + ... + 233345.

Almost surely, 2^52943664 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 52943664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70906176).

52943664 is an abundant number, since it is smaller than the sum of its proper divisors (88868688).

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

52943664 is a wasteful number, since it uses less digits than its factorization.

52943664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 388 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 52943664 is about 7276.2396881906. The cubic root of 52943664 is about 375.4954376004.

The spelling of 52943664 in words is "fifty-two million, nine hundred forty-three thousand, six hundred sixty-four".