53147585 has 8 divisors (see below), whose sum is σ = 63844200. Its totient is φ = 42473344.

The previous prime is 53147569. The next prime is 53147587. The reversal of 53147585 is 58574135.

It can be written as a sum of positive squares in 4 ways, for example, as 23193856 + 29953729 = 4816^2 + 5473^2 .

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 53147585 - 2⁴ = 53147569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53147587) 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, 179 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (7980525).

Almost surely, 2^53147585 is an apocalyptic number.

It is an amenable number.

53147585 is a deficient number, since it is larger than the sum of its proper divisors (10696615).

53147585 is a wasteful number, since it uses less digits than its factorization.

53147585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11187.

The product of its digits is 84000, while the sum is 38.

The square root of 53147585 is about 7290.2390221446. The cubic root of 53147585 is about 375.9769135704.

The spelling of 53147585 in words is "fifty-three million, one hundred forty-seven thousand, five hundred eighty-five".