53744271613 has 16 divisors (see below), whose sum is σ = 56135000880. Its totient is φ = 51410419200.

The previous prime is 53744271571. The next prime is 53744271617. The reversal of 53744271613 is 31617244735.

It can be written as a sum of positive squares in 8 ways, for example, as 17109163204 + 36635108409 = 130802^2 + 191403^2 .

It is a cyclic number.

It is not a de Polignac number, because 53744271613 - 2⁹ = 53744271101 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 53744271613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53744271617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758923 + ... + 826711.

It is an arithmetic number, because the mean of its divisors is an integer number (3508437555).

Almost surely, 2^53744271613 is an apocalyptic number.

It is an amenable number.

53744271613 is a deficient number, since it is larger than the sum of its proper divisors (2390729267).

53744271613 is a wasteful number, since it uses less digits than its factorization.

53744271613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68208.

The product of its digits is 423360, while the sum is 43.

The spelling of 53744271613 in words is "fifty-three billion, seven hundred forty-four million, two hundred seventy-one thousand, six hundred thirteen".