53728611 has 32 divisors (see below), whose sum is σ = 76677120. Its totient is φ = 33415200.

The previous prime is 53728579. The next prime is 53728613. The reversal of 53728611 is 11682735.

It is not a de Polignac number, because 53728611 - 2⁵ = 53728579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53728613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521586 + ... + 521688.

It is an arithmetic number, because the mean of its divisors is an integer number (2396160).

Almost surely, 2^53728611 is an apocalyptic number.

53728611 is a deficient number, since it is larger than the sum of its proper divisors (22948509).

53728611 is a wasteful number, since it uses less digits than its factorization.

53728611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287.

The product of its digits is 10080, while the sum is 33.

The square root of 53728611 is about 7329.9802864674. The cubic root of 53728611 is about 377.3420499103.

The spelling of 53728611 in words is "fifty-three million, seven hundred twenty-eight thousand, six hundred eleven".