53765393578667 has 8 divisors (see below), whose sum is σ = 54413646929040. Its totient is φ = 53117151598080.

The previous prime is 53765393578511. The next prime is 53765393578739. The reversal of 53765393578667 is 76687539356735.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53765393578667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53765393578591 and 53765393578600.

It is not an unprimeable number, because it can be changed into a prime (53765393518667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6871067 + ... + 12439547.

It is an arithmetic number, because the mean of its divisors is an integer number (6801705866130).

Almost surely, 2^{53765393578667} is an apocalyptic number.

53765393578667 is a deficient number, since it is larger than the sum of its proper divisors (648253350373).

53765393578667 is a wasteful number, since it uses less digits than its factorization.

53765393578667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684893.

The product of its digits is 18003384000, while the sum is 80.

The spelling of 53765393578667 in words is "fifty-three trillion, seven hundred sixty-five billion, three hundred ninety-three million, five hundred seventy-eight thousand, six hundred sixty-seven".