53057827881 has 6 divisors (see below), whose sum is σ = 76639084730. Its totient is φ = 35371885248.

The previous prime is 53057827871. The next prime is 53057827891. The reversal of 53057827881 is 18872875035.

53057827881 is a `hidden beast` number, since 530 + 5 + 7 + 8 + 27 + 8 + 81 = 666.

53057827881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53057827871) and next prime (53057827891).

It can be written as a sum of positive squares in only one way, i.e., 39714112656 + 13343715225 = 199284^2 + 115515^2 .

It is not a de Polignac number, because 53057827881 - 2¹⁴ = 53057811497 is a prime.

It is a super-2 number, since 2×53057827881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53057827811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2947657096 + ... + 2947657113.

Almost surely, 2^53057827881 is an apocalyptic number.

It is an amenable number.

53057827881 is a deficient number, since it is larger than the sum of its proper divisors (23581256849).

53057827881 is a wasteful number, since it uses less digits than its factorization.

53057827881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895314215 (or 5895314212 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 54.

The spelling of 53057827881 in words is "fifty-three billion, fifty-seven million, eight hundred twenty-seven thousand, eight hundred eighty-one".