53136383 has 4 divisors (see below), whose sum is σ = 53403600. Its totient is φ = 52869168.

The previous prime is 53136379. The next prime is 53136389. The reversal of 53136383 is 38363135.

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

It is a cyclic number.

It is not a de Polignac number, because 53136383 - 2² = 53136379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53136389) 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, 133310 + ... + 133707.

It is an arithmetic number, because the mean of its divisors is an integer number (13350900).

Almost surely, 2^53136383 is an apocalyptic number.

53136383 is a deficient number, since it is larger than the sum of its proper divisors (267217).

53136383 is a wasteful number, since it uses less digits than its factorization.

53136383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267216.

The product of its digits is 19440, while the sum is 32.

The square root of 53136383 is about 7289.4706940902. The cubic root of 53136383 is about 375.9504966328.

The spelling of 53136383 in words is "fifty-three million, one hundred thirty-six thousand, three hundred eighty-three".