53728411 has 4 divisors (see below), whose sum is σ = 58612824. Its totient is φ = 48844000.

The previous prime is 53728361. The next prime is 53728417. The reversal of 53728411 is 11482735.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53728411 - 2¹⁷ = 53597339 is a prime.

It is a super-4 number, since 4×53728411⁴ (a number of 32 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53728417) 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, 2442190 + ... + 2442211.

It is an arithmetic number, because the mean of its divisors is an integer number (14653206).

Almost surely, 2^53728411 is an apocalyptic number.

53728411 is a deficient number, since it is larger than the sum of its proper divisors (4884413).

53728411 is a wasteful number, since it uses less digits than its factorization.

53728411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884412.

The product of its digits is 6720, while the sum is 31.

The square root of 53728411 is about 7329.9666438532. The cubic root of 53728411 is about 377.3415817022.

The spelling of 53728411 in words is "fifty-three million, seven hundred twenty-eight thousand, four hundred eleven".