53391465171 has 30 divisors (see below), whose sum is σ = 87019554996. Its totient is φ = 32354283600.

The previous prime is 53391465151. The next prime is 53391465227. The reversal of 53391465171 is 17156419335.

53391465171 is a `hidden beast` number, since 5 + 3 + 3 + 91 + 46 + 517 + 1 = 666.

53391465171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53391465171 - 2¹¹ = 53391463123 is a prime.

It is a super-2 number, since 2×53391465171² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53391465121) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6893361 + ... + 6901101.

Almost surely, 2^53391465171 is an apocalyptic number.

53391465171 is a deficient number, since it is larger than the sum of its proper divisors (33628089825).

53391465171 is an frugal number, since it uses more digits than its factorization.

53391465171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15505 (or 7755 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The spelling of 53391465171 in words is "fifty-three billion, three hundred ninety-one million, four hundred sixty-five thousand, one hundred seventy-one".