52128276 has 12 divisors (see below), whose sum is σ = 121632672. Its totient is φ = 17376088.

The previous prime is 52128259. The next prime is 52128287. The reversal of 52128276 is 67282125.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2172000 + ... + 2172023.

It is an arithmetic number, because the mean of its divisors is an integer number (10136056).

Almost surely, 2^52128276 is an apocalyptic number.

It is an amenable number.

52128276 is an abundant number, since it is smaller than the sum of its proper divisors (69504396).

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

52128276 is a wasteful number, since it uses less digits than its factorization.

52128276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344030 (or 4344028 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 52128276 is about 7219.9914127373. The cubic root of 52128276 is about 373.5577813472.

The spelling of 52128276 in words is "fifty-two million, one hundred twenty-eight thousand, two hundred seventy-six".