52161869037 has 4 divisors (see below), whose sum is σ = 69549158720. Its totient is φ = 34774579356.

The previous prime is 52161869009. The next prime is 52161869083. The reversal of 52161869037 is 73096816125.

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 not a de Polignac number, because 52161869037 - 2²⁰ = 52160820461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52161869237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8693644837 + ... + 8693644842.

It is an arithmetic number, because the mean of its divisors is an integer number (17387289680).

Almost surely, 2^52161869037 is an apocalyptic number.

It is an amenable number.

52161869037 is a deficient number, since it is larger than the sum of its proper divisors (17387289683).

52161869037 is a wasteful number, since it uses less digits than its factorization.

52161869037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17387289682.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 52161869037 in words is "fifty-two billion, one hundred sixty-one million, eight hundred sixty-nine thousand, thirty-seven".