53776641513 has 8 divisors (see below), whose sum is σ = 81945358528. Its totient is φ = 30729509424.

The previous prime is 53776641509. The next prime is 53776641533. The reversal of 53776641513 is 31514667735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53776641513 - 2² = 53776641509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53776641533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280396206 + ... + 1280396247.

It is an arithmetic number, because the mean of its divisors is an integer number (10243169816).

Almost surely, 2^53776641513 is an apocalyptic number.

It is an amenable number.

53776641513 is a deficient number, since it is larger than the sum of its proper divisors (28168717015).

53776641513 is a wasteful number, since it uses less digits than its factorization.

53776641513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560792463.

The product of its digits is 1587600, while the sum is 48.

The spelling of 53776641513 in words is "fifty-three billion, seven hundred seventy-six million, six hundred forty-one thousand, five hundred thirteen".