53508135 has 32 divisors (see below), whose sum is σ = 87480000. Its totient is φ = 27923456.

The previous prime is 53508131. The next prime is 53508149. The reversal of 53508135 is 53180535.

It is a cyclic number.

It is not a de Polignac number, because 53508135 - 2² = 53508131 is a prime.

It is a super-2 number, since 2×53508135² = 5726241022356450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53508131) 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, 198781 + ... + 199049.

It is an arithmetic number, because the mean of its divisors is an integer number (2733750).

Almost surely, 2^53508135 is an apocalyptic number.

53508135 is a deficient number, since it is larger than the sum of its proper divisors (33971865).

53508135 is a wasteful number, since it uses less digits than its factorization.

53508135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 53508135 is about 7314.9254951777. The cubic root of 53508135 is about 376.8251997540.

The spelling of 53508135 in words is "fifty-three million, five hundred eight thousand, one hundred thirty-five".