53765775351353 has 4 divisors (see below), whose sum is σ = 57901604224548. Its totient is φ = 49629946478160.

The previous prime is 53765775351347. The next prime is 53765775351367. The reversal of 53765775351353 is 35315357756735.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20260513364224 + 33505261987129 = 4501168^2 + 5788373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53765775351353 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 53765775351353.

It is not an unprimeable number, because it can be changed into a prime (53765775351373) 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, 2067914436578 + ... + 2067914436603.

It is an arithmetic number, because the mean of its divisors is an integer number (14475401056137).

Almost surely, 2^{53765775351353} is an apocalyptic number.

It is an amenable number.

53765775351353 is a deficient number, since it is larger than the sum of its proper divisors (4135828873195).

53765775351353 is a wasteful number, since it uses less digits than its factorization.

53765775351353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135828873194.

The product of its digits is 520931250, while the sum is 65.

The spelling of 53765775351353 in words is "fifty-three trillion, seven hundred sixty-five billion, seven hundred seventy-five million, three hundred fifty-one thousand, three hundred fifty-three".