52893728 has 12 divisors (see below), whose sum is σ = 104134590. Its totient is φ = 26446848.

The previous prime is 52893713. The next prime is 52893751. The reversal of 52893728 is 82739825.

It can be written as a sum of positive squares in only one way, i.e., 33779344 + 19114384 = 5812^2 + 4372^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826433 + ... + 826496.

Almost surely, 2^52893728 is an apocalyptic number.

It is an amenable number.

52893728 is a deficient number, since it is larger than the sum of its proper divisors (51240862).

52893728 is a wasteful number, since it uses less digits than its factorization.

52893728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652939 (or 1652931 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 52893728 is about 7272.8074359218. The cubic root of 52893728 is about 375.3773457960.

The spelling of 52893728 in words is "fifty-two million, eight hundred ninety-three thousand, seven hundred twenty-eight".