52658728 has 16 divisors (see below), whose sum is σ = 103932000. Its totient is φ = 24943536.

The previous prime is 52658653. The next prime is 52658729. The reversal of 52658728 is 82785625.

It is not an unprimeable number, because it can be changed into a prime (52658729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173068 + ... + 173371.

It is an arithmetic number, because the mean of its divisors is an integer number (6495750).

Almost surely, 2^52658728 is an apocalyptic number.

It is an amenable number.

52658728 is a deficient number, since it is larger than the sum of its proper divisors (51273272).

52658728 is a wasteful number, since it uses less digits than its factorization.

52658728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346464 (or 346460 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 52658728 is about 7256.6333791918. The cubic root of 52658728 is about 374.8206027840.

The spelling of 52658728 in words is "fifty-two million, six hundred fifty-eight thousand, seven hundred twenty-eight".