52128283 has 8 divisors (see below), whose sum is σ = 54007200. Its totient is φ = 50254848.

The previous prime is 52128259. The next prime is 52128287. The reversal of 52128283 is 38282125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52128283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52128287) 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, 32658 + ... + 34216.

It is an arithmetic number, because the mean of its divisors is an integer number (6750900).

Almost surely, 2^52128283 is an apocalyptic number.

52128283 is a deficient number, since it is larger than the sum of its proper divisors (1878917).

52128283 is a wasteful number, since it uses less digits than its factorization.

52128283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741.

The product of its digits is 7680, while the sum is 31.

The square root of 52128283 is about 7219.9918975024. The cubic root of 52128283 is about 373.5577980681.

The spelling of 52128283 in words is "fifty-two million, one hundred twenty-eight thousand, two hundred eighty-three".