53789072665 has 8 divisors (see below), whose sum is σ = 64852797888. Its totient is φ = 42827317680.

The previous prime is 53789072629. The next prime is 53789072759. The reversal of 53789072665 is 56627098735.

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

It is not a de Polignac number, because 53789072665 - 2¹⁷ = 53788941593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25491397 + ... + 25493506.

It is an arithmetic number, because the mean of its divisors is an integer number (8106599736).

Almost surely, 2^53789072665 is an apocalyptic number.

It is an amenable number.

53789072665 is a deficient number, since it is larger than the sum of its proper divisors (11063725223).

53789072665 is a wasteful number, since it uses less digits than its factorization.

53789072665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50985119.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 53789072665 in words is "fifty-three billion, seven hundred eighty-nine million, seventy-two thousand, six hundred sixty-five".