53871870385 has 16 divisors (see below), whose sum is σ = 66160321920. Its totient is φ = 42088435200.

The previous prime is 53871870361. The next prime is 53871870397. The reversal of 53871870385 is 58307817835.

It is not a de Polignac number, because 53871870385 - 2⁹ = 53871869873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1625985 + ... + 1658785.

It is an arithmetic number, because the mean of its divisors is an integer number (4135020120).

Almost surely, 2^53871870385 is an apocalyptic number.

It is an amenable number.

53871870385 is a deficient number, since it is larger than the sum of its proper divisors (12288451535).

53871870385 is a wasteful number, since it uses less digits than its factorization.

53871870385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40488.

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 53871870385 in words is "fifty-three billion, eight hundred seventy-one million, eight hundred seventy thousand, three hundred eighty-five".