53009708671 has 4 divisors (see below), whose sum is σ = 53014892112. Its totient is φ = 53004525232.

The previous prime is 53009708663. The next prime is 53009708677. The reversal of 53009708671 is 17680790035.

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 53009708671 - 2³ = 53009708663 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 (53009708677) 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, 2576350 + ... + 2596843.

It is an arithmetic number, because the mean of its divisors is an integer number (13253723028).

Almost surely, 2^53009708671 is an apocalyptic number.

53009708671 is a deficient number, since it is larger than the sum of its proper divisors (5183441).

53009708671 is a wasteful number, since it uses less digits than its factorization.

53009708671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183440.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 53009708671 in words is "fifty-three billion, nine million, seven hundred eight thousand, six hundred seventy-one".