52121617157 has 8 divisors (see below), whose sum is σ = 52556169120. Its totient is φ = 51687916560.

The previous prime is 52121617151. The next prime is 52121617181. The reversal of 52121617157 is 75171612125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52121617157 - 2¹⁰ = 52121616133 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 52121617157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52121617151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89594 + ... + 335067.

It is an arithmetic number, because the mean of its divisors is an integer number (6569521140).

Almost surely, 2^52121617157 is an apocalyptic number.

It is an amenable number.

52121617157 is a deficient number, since it is larger than the sum of its proper divisors (434551963).

52121617157 is a wasteful number, since it uses less digits than its factorization.

52121617157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425683.

The product of its digits is 29400, while the sum is 38.

The spelling of 52121617157 in words is "fifty-two billion, one hundred twenty-one million, six hundred seventeen thousand, one hundred fifty-seven".