53871040081 has 8 divisors (see below), whose sum is σ = 56737706400. Its totient is φ = 51007508640.

The previous prime is 53871040057. The next prime is 53871040099. The reversal of 53871040081 is 18004017835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53871040081 - 2⁹ = 53871039569 is a prime.

It is a super-2 number, since 2×53871040081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53871040081.

It is not an unprimeable number, because it can be changed into a prime (53871040051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748396 + ... + 817213.

It is an arithmetic number, because the mean of its divisors is an integer number (7092213300).

Almost surely, 2^53871040081 is an apocalyptic number.

It is an amenable number.

53871040081 is a deficient number, since it is larger than the sum of its proper divisors (2866666319).

53871040081 is a wasteful number, since it uses less digits than its factorization.

53871040081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567439.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 53871040081 in words is "fifty-three billion, eight hundred seventy-one million, forty thousand, eighty-one".