53728601 has 4 divisors (see below), whose sum is σ = 53778852. Its totient is φ = 53678352.

The previous prime is 53728579. The next prime is 53728613. The reversal of 53728601 is 10682735.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45549001 + 8179600 = 6749^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 53728601 - 2⁶ = 53728537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53728651) 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, 23486 + ... + 25671.

It is an arithmetic number, because the mean of its divisors is an integer number (13444713).

Almost surely, 2^53728601 is an apocalyptic number.

It is an amenable number.

53728601 is a deficient number, since it is larger than the sum of its proper divisors (50251).

53728601 is a wasteful number, since it uses less digits than its factorization.

53728601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50250.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 53728601 is about 7329.9796043372. The cubic root of 53728601 is about 377.3420264999.

The spelling of 53728601 in words is "fifty-three million, seven hundred twenty-eight thousand, six hundred one".