53085525 has 24 divisors (see below), whose sum is σ = 92389920. Its totient is φ = 26821440.

The previous prime is 53085517. The next prime is 53085553. The reversal of 53085525 is 52558035.

It is not a de Polignac number, because 53085525 - 2³ = 53085517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17202 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (3849580).

Almost surely, 2^53085525 is an apocalyptic number.

It is an amenable number.

53085525 is a deficient number, since it is larger than the sum of its proper divisors (39304395).

53085525 is a wasteful number, since it uses less digits than its factorization.

53085525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37285 (or 37280 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 53085525 is about 7285.9814026664. The cubic root of 53085525 is about 375.8305148512.

The spelling of 53085525 in words is "fifty-three million, eighty-five thousand, five hundred twenty-five".