52660992 has 72 divisors (see below), whose sum is σ = 141281280. Its totient is φ = 17413120.

The previous prime is 52660987. The next prime is 52660999. The reversal of 52660992 is 29906625.

It is a self number, because there is not a number n which added to its sum of digits gives 52660992.

It is not an unprimeable number, because it can be changed into a prime (52660999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146509 + ... + 146867.

It is an arithmetic number, because the mean of its divisors is an integer number (1962240).

Almost surely, 2^52660992 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 52660992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70640640).

52660992 is an abundant number, since it is smaller than the sum of its proper divisors (88620288).

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

52660992 is a wasteful number, since it uses less digits than its factorization.

52660992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 52660992 is about 7256.7893727185. The cubic root of 52660992 is about 374.8259743638.

The spelling of 52660992 in words is "fifty-two million, six hundred sixty thousand, nine hundred ninety-two".