52156171546257 has 8 divisors (see below), whose sum is σ = 69541714668160. Its totient is φ = 34770704727600.

The previous prime is 52156171546249. The next prime is 52156171546273. The reversal of 52156171546257 is 75264517165125.

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

It is not a de Polignac number, because 52156171546257 - 2³ = 52156171546249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52156171546197 and 52156171546206.

It is not an unprimeable number, because it can be changed into a prime (52156171547257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17461369 + ... + 20228982.

It is an arithmetic number, because the mean of its divisors is an integer number (8692714333520).

Almost surely, 2^{52156171546257} is an apocalyptic number.

It is an amenable number.

52156171546257 is a deficient number, since it is larger than the sum of its proper divisors (17385543121903).

52156171546257 is a wasteful number, since it uses less digits than its factorization.

52156171546257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38151623.

The product of its digits is 17640000, while the sum is 57.

The spelling of 52156171546257 in words is "fifty-two trillion, one hundred fifty-six billion, one hundred seventy-one million, five hundred forty-six thousand, two hundred fifty-seven".