52606542161 has 4 divisors (see below), whose sum is σ = 54303527424. Its totient is φ = 50909556900.

The previous prime is 52606542139. The next prime is 52606542167. The reversal of 52606542161 is 16124560625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52606542161 - 2³⁰ = 51532800337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52606542167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848492585 + ... + 848492646.

It is an arithmetic number, because the mean of its divisors is an integer number (13575881856).

Almost surely, 2^52606542161 is an apocalyptic number.

It is an amenable number.

52606542161 is a deficient number, since it is larger than the sum of its proper divisors (1696985263).

52606542161 is a wasteful number, since it uses less digits than its factorization.

52606542161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696985262.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 52606542161 in words is "fifty-two billion, six hundred six million, five hundred forty-two thousand, one hundred sixty-one".