53728441 has 8 divisors (see below), whose sum is σ = 58004744. Its totient is φ = 49472640.

The previous prime is 53728429. The next prime is 53728463. The reversal of 53728441 is 14482735.

It can be written as a sum of positive squares in 4 ways, for example, as 1946025 + 51782416 = 1395^2 + 7196^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53728441 - 2²¹ = 51631289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53728397 and 53728406.

It is not an unprimeable number, because it can be changed into a prime (53728481) 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, 565 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (7250593).

Almost surely, 2^53728441 is an apocalyptic number.

It is an amenable number.

53728441 is a deficient number, since it is larger than the sum of its proper divisors (4276303).

53728441 is a wasteful number, since it uses less digits than its factorization.

53728441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10251.

The product of its digits is 26880, while the sum is 34.

The square root of 53728441 is about 7329.9686902469. The cubic root of 53728441 is about 377.3416519335.

The spelling of 53728441 in words is "fifty-three million, seven hundred twenty-eight thousand, four hundred forty-one".