53216953423 has 2 divisors, whose sum is σ = 53216953424. Its totient is φ = 53216953422.

The previous prime is 53216953333. The next prime is 53216953441. The reversal of 53216953423 is 32435961235.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53216953423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53216953423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53216953723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26608476711 + 26608476712.

It is an arithmetic number, because the mean of its divisors is an integer number (26608476712).

Almost surely, 2^53216953423 is an apocalyptic number.

53216953423 is a deficient number, since it is larger than the sum of its proper divisors (1).

53216953423 is an equidigital number, since it uses as much as digits as its factorization.

53216953423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 43.

The spelling of 53216953423 in words is "fifty-three billion, two hundred sixteen million, nine hundred fifty-three thousand, four hundred twenty-three".