53312871 has 4 divisors (see below), whose sum is σ = 71083832. Its totient is φ = 35541912.

The previous prime is 53312863. The next prime is 53312887. The reversal of 53312871 is 17821335.

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

It is not a de Polignac number, because 53312871 - 2³ = 53312863 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 (53312801) 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, 8885476 + ... + 8885481.

It is an arithmetic number, because the mean of its divisors is an integer number (17770958).

Almost surely, 2^53312871 is an apocalyptic number.

53312871 is a deficient number, since it is larger than the sum of its proper divisors (17770961).

53312871 is a wasteful number, since it uses less digits than its factorization.

53312871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17770960.

The product of its digits is 5040, while the sum is 30.

The square root of 53312871 is about 7301.5663388070. The cubic root of 53312871 is about 376.3662659123.

The spelling of 53312871 in words is "fifty-three million, three hundred twelve thousand, eight hundred seventy-one".