52350665472 has 540 divisors, whose sum is σ = 184535856120. Its totient is φ = 14714929152.

The previous prime is 52350665441. The next prime is 52350665483. The reversal of 52350665472 is 27456605325.

52350665472 is a `hidden beast` number, since 5 + 23 + 506 + 6 + 54 + 72 = 666.

It is a super-2 number, since 2×52350665472² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 68075904 + ... + 68076672.

Almost surely, 2^52350665472 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 52350665472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92267928060).

52350665472 is an abundant number, since it is smaller than the sum of its proper divisors (132185190648).

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

52350665472 is an equidigital number, since it uses as much as digits as its factorization.

52350665472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 52350665472 in words is "fifty-two billion, three hundred fifty million, six hundred sixty-five thousand, four hundred seventy-two".