52821545117 has 16 divisors (see below), whose sum is σ = 58008956928. Its totient is φ = 47698703280.

The previous prime is 52821545093. The next prime is 52821545171. The reversal of 52821545117 is 71154512825.

It is a cyclic number.

It is not a de Polignac number, because 52821545117 - 2¹⁰ = 52821544093 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 (52821547117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3727748 + ... + 3741890.

It is an arithmetic number, because the mean of its divisors is an integer number (3625559808).

Almost surely, 2^52821545117 is an apocalyptic number.

It is an amenable number.

52821545117 is a deficient number, since it is larger than the sum of its proper divisors (5187411811).

52821545117 is a wasteful number, since it uses less digits than its factorization.

52821545117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16400.

The product of its digits is 112000, while the sum is 41.

The spelling of 52821545117 in words is "fifty-two billion, eight hundred twenty-one million, five hundred forty-five thousand, one hundred seventeen".