53657133 has 4 divisors (see below), whose sum is σ = 71542848. Its totient is φ = 35771420.

The previous prime is 53657113. The next prime is 53657167. The reversal of 53657133 is 33175635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53657133 - 2⁹ = 53656621 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53657094 and 53657103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53657113) 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, 8942853 + ... + 8942858.

It is an arithmetic number, because the mean of its divisors is an integer number (17885712).

Almost surely, 2^53657133 is an apocalyptic number.

It is an amenable number.

53657133 is a deficient number, since it is larger than the sum of its proper divisors (17885715).

53657133 is a wasteful number, since it uses less digits than its factorization.

53657133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17885714.

The product of its digits is 28350, while the sum is 33.

The square root of 53657133 is about 7325.1029344303. The cubic root of 53657133 is about 377.1746429862.

The spelling of 53657133 in words is "fifty-three million, six hundred fifty-seven thousand, one hundred thirty-three".