52169546784 has 96 divisors (see below), whose sum is σ = 139605209856. Its totient is φ = 17054357760.

The previous prime is 52169546777. The next prime is 52169546789. The reversal of 52169546784 is 48764596125.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×52169546784² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52169546789) 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, 1442199 + ... + 1477929.

It is an arithmetic number, because the mean of its divisors is an integer number (1454220936).

Almost surely, 2^52169546784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52169546784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69802604928).

52169546784 is an abundant number, since it is smaller than the sum of its proper divisors (87435663072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52169546784 is a wasteful number, since it uses less digits than its factorization.

52169546784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36038 (or 36030 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 57.

The spelling of 52169546784 in words is "fifty-two billion, one hundred sixty-nine million, five hundred forty-six thousand, seven hundred eighty-four".