52604309161 has 4 divisors (see below), whose sum is σ = 53827665232. Its totient is φ = 51380953092.

The previous prime is 52604309137. The next prime is 52604309179. The reversal of 52604309161 is 16190340625.

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 52604309161 - 2¹⁵ = 52604276393 is a prime.

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 52604309161.

It is not an unprimeable number, because it can be changed into a prime (52604301161) 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, 611677971 + ... + 611678056.

It is an arithmetic number, because the mean of its divisors is an integer number (13456916308).

Almost surely, 2^52604309161 is an apocalyptic number.

It is an amenable number.

52604309161 is a deficient number, since it is larger than the sum of its proper divisors (1223356071).

52604309161 is a wasteful number, since it uses less digits than its factorization.

52604309161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223356070.

The product of its (nonzero) digits is 38880, while the sum is 37.

Adding to 52604309161 its reverse (16190340625), we get a palindrome (68794649786).

The spelling of 52604309161 in words is "fifty-two billion, six hundred four million, three hundred nine thousand, one hundred sixty-one".