53342776737389 has 4 divisors (see below), whose sum is σ = 56480587133724. Its totient is φ = 50204966341056.

The previous prime is 53342776737343. The next prime is 53342776737401. The reversal of 53342776737389 is 98373767724335.

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 44771689057225 + 8571087680164 = 6691165^2 + 2927642^2 .

It is a cyclic number.

It is not a de Polignac number, because 53342776737389 - 2²⁸ = 53342508301933 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 (53342776737689) 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, 1568905198142 + ... + 1568905198175.

It is an arithmetic number, because the mean of its divisors is an integer number (14120146783431).

Almost surely, 2^{53342776737389} is an apocalyptic number.

It is an amenable number.

53342776737389 is a deficient number, since it is larger than the sum of its proper divisors (3137810396335).

53342776737389 is a wasteful number, since it uses less digits than its factorization.

53342776737389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137810396334.

The product of its digits is 3360631680, while the sum is 74.

The spelling of 53342776737389 in words is "fifty-three trillion, three hundred forty-two billion, seven hundred seventy-six million, seven hundred thirty-seven thousand, three hundred eighty-nine".