52347554695921 has 9 divisors (see below), whose sum is σ = 52431885719161. Its totient is φ = 52263359127364.

The previous prime is 52347554695847. The next prime is 52347554695957. The reversal of 52347554695921 is 12959645574325.

It is a happy number.

The square root of 52347554695921 is 7235161.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 52347554695921 - 2²¹ = 52347552598769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52347554695621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4767965610 + ... + 4767976588.

Almost surely, 2^{52347554695921} is an apocalyptic number.

52347554695921 is the 7235161-st square number.

52347554695921 is the 3617581-st centered octagonal number.

It is an amenable number.

52347554695921 is a deficient number, since it is larger than the sum of its proper divisors (84331023240).

52347554695921 is an frugal number, since it uses more digits than its factorization.

52347554695921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23276 (or 11638 counting only the distinct ones).

The product of its digits is 408240000, while the sum is 67.

The spelling of 52347554695921 in words is "fifty-two trillion, three hundred forty-seven billion, five hundred fifty-four million, six hundred ninety-five thousand, nine hundred twenty-one".