53216953343 has 16 divisors (see below), whose sum is σ = 53767375200. Its totient is φ = 52670217600.

The previous prime is 53216953333. The next prime is 53216953423. The reversal of 53216953343 is 34335961235.

It is a Cunningham number, because it is equal to 230688²-1.

It is a cyclic number.

It is not a de Polignac number, because 53216953343 - 2¹⁰ = 53216952319 is a prime.

It is a super-2 number, since 2×53216953343² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53216953294 and 53216953303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53216953333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45445148 + ... + 45446318.

It is an arithmetic number, because the mean of its divisors is an integer number (3360460950).

Almost surely, 2^53216953343 is an apocalyptic number.

53216953343 is a deficient number, since it is larger than the sum of its proper divisors (550421857).

53216953343 is a wasteful number, since it uses less digits than its factorization.

53216953343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378.

The product of its digits is 874800, while the sum is 44.

The spelling of 53216953343 in words is "fifty-three billion, two hundred sixteen million, nine hundred fifty-three thousand, three hundred forty-three".