52645271161 has 6 divisors (see below), whose sum is σ = 61240417530. Its totient is φ = 45124518096.

The previous prime is 52645271153. The next prime is 52645271197. The reversal of 52645271161 is 16117254625.

52645271161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48066177600 + 4579093561 = 219240^2 + 67669^2 .

It is not a de Polignac number, because 52645271161 - 2³ = 52645271153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52645271131) 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, 537196596 + ... + 537196693.

It is an arithmetic number, because the mean of its divisors is an integer number (10206736255).

Almost surely, 2^52645271161 is an apocalyptic number.

It is an amenable number.

52645271161 is a deficient number, since it is larger than the sum of its proper divisors (8595146369).

52645271161 is a wasteful number, since it uses less digits than its factorization.

52645271161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074393303 (or 1074393296 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The spelling of 52645271161 in words is "fifty-two billion, six hundred forty-five million, two hundred seventy-one thousand, one hundred sixty-one".