52548728 has 8 divisors (see below), whose sum is σ = 98528880. Its totient is φ = 26274360.

The previous prime is 52548719. The next prime is 52548779. The reversal of 52548728 is 82784525.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×52548728² = 5522737628835968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3284288 + ... + 3284303.

It is an arithmetic number, because the mean of its divisors is an integer number (12316110).

Almost surely, 2^52548728 is an apocalyptic number.

It is an amenable number.

52548728 is a deficient number, since it is larger than the sum of its proper divisors (45980152).

52548728 is a wasteful number, since it uses less digits than its factorization.

52548728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568597 (or 6568593 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The square root of 52548728 is about 7249.0501446741. The cubic root of 52548728 is about 374.5594304505.

The spelling of 52548728 in words is "fifty-two million, five hundred forty-eight thousand, seven hundred twenty-eight".