53545136 has 20 divisors (see below), whose sum is σ = 107322000. Its totient is φ = 25849152.

The previous prime is 53545133. The next prime is 53545157. The reversal of 53545136 is 63154535.

It is not an unprimeable number, because it can be changed into a prime (53545133) 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, 57236 + ... + 58163.

It is an arithmetic number, because the mean of its divisors is an integer number (5366100).

Almost surely, 2^53545136 is an apocalyptic number.

It is an amenable number.

53545136 is an abundant number, since it is smaller than the sum of its proper divisors (53776864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53545136 is a wasteful number, since it uses less digits than its factorization.

53545136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115436 (or 115430 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 53545136 is about 7317.4542021116. The cubic root of 53545136 is about 376.9120382418.

The spelling of 53545136 in words is "fifty-three million, five hundred forty-five thousand, one hundred thirty-six".