53312183 has 4 divisors (see below), whose sum is σ = 55630128. Its totient is φ = 50994240.

The previous prime is 53312173. The next prime is 53312191. The reversal of 53312183 is 38121335.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53312183 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 (53312113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158938 + ... + 1158983.

It is an arithmetic number, because the mean of its divisors is an integer number (13907532).

Almost surely, 2^53312183 is an apocalyptic number.

53312183 is a deficient number, since it is larger than the sum of its proper divisors (2317945).

53312183 is a wasteful number, since it uses less digits than its factorization.

53312183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317944.

The product of its digits is 2160, while the sum is 26.

The square root of 53312183 is about 7301.5192254763. The cubic root of 53312183 is about 376.3646469092.

The spelling of 53312183 in words is "fifty-three million, three hundred twelve thousand, one hundred eighty-three".