53448276799 has 4 divisors (see below), whose sum is σ = 54324478120. Its totient is φ = 52572075480.

The previous prime is 53448276793. The next prime is 53448276863. The reversal of 53448276799 is 99767284435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53448276799 - 2¹¹ = 53448274751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53448276799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53448276793) 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 3 ways as a sum of consecutive naturals, for example, 438100569 + ... + 438100690.

It is an arithmetic number, because the mean of its divisors is an integer number (13581119530).

Almost surely, 2^53448276799 is an apocalyptic number.

53448276799 is a deficient number, since it is larger than the sum of its proper divisors (876201321).

53448276799 is an equidigital number, since it uses as much as digits as its factorization.

53448276799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876201320.

The product of its digits is 91445760, while the sum is 64.

The spelling of 53448276799 in words is "fifty-three billion, four hundred forty-eight million, two hundred seventy-six thousand, seven hundred ninety-nine".