53107063517 has 4 divisors (see below), whose sum is σ = 54542389596. Its totient is φ = 51671737440.

The previous prime is 53107063483. The next prime is 53107063561. The reversal of 53107063517 is 71536070135.

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 42675709561 + 10431353956 = 206581^2 + 102134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53107063517 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 (53107063567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717662984 + ... + 717663057.

It is an arithmetic number, because the mean of its divisors is an integer number (13635597399).

Almost surely, 2^53107063517 is an apocalyptic number.

It is an amenable number.

53107063517 is a deficient number, since it is larger than the sum of its proper divisors (1435326079).

53107063517 is a wasteful number, since it uses less digits than its factorization.

53107063517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435326078.

The product of its (nonzero) digits is 66150, while the sum is 38.

The spelling of 53107063517 in words is "fifty-three billion, one hundred seven million, sixty-three thousand, five hundred seventeen".