53517720416686 has 8 divisors (see below), whose sum is σ = 84501663815880. Its totient is φ = 25350499144728.

The previous prime is 53517720416623. The next prime is 53517720416687. The reversal of 53517720416686 is 68661402771535.

53517720416686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53517720416687) 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, 704180531761 + ... + 704180531836.

It is an arithmetic number, because the mean of its divisors is an integer number (10562707976985).

Almost surely, 2^{53517720416686} is an apocalyptic number.

53517720416686 is a deficient number, since it is larger than the sum of its proper divisors (30983943399194).

53517720416686 is a wasteful number, since it uses less digits than its factorization.

53517720416686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408361063618.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 53517720416686 in words is "fifty-three trillion, five hundred seventeen billion, seven hundred twenty million, four hundred sixteen thousand, six hundred eighty-six".