53783368559 has 4 divisors (see below), whose sum is σ = 55034144616. Its totient is φ = 52532592504.

The previous prime is 53783368517. The next prime is 53783368589. The reversal of 53783368559 is 95586338735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95586338735 = 5 ⋅19117267747.

It is a cyclic number.

It is not a de Polignac number, because 53783368559 - 2²⁸ = 53514933103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53783368589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625387964 + ... + 625388049.

It is an arithmetic number, because the mean of its divisors is an integer number (13758536154).

Almost surely, 2^53783368559 is an apocalyptic number.

53783368559 is a deficient number, since it is larger than the sum of its proper divisors (1250776057).

53783368559 is a wasteful number, since it uses less digits than its factorization.

53783368559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250776056.

The product of its digits is 81648000, while the sum is 62.

The spelling of 53783368559 in words is "fifty-three billion, seven hundred eighty-three million, three hundred sixty-eight thousand, five hundred fifty-nine".