53984467765 has 8 divisors (see below), whose sum is σ = 64809925560. Its totient is φ = 43168531392.

The previous prime is 53984467751. The next prime is 53984467783. The reversal of 53984467765 is 56776448935.

It can be written as a sum of positive squares in 4 ways, for example, as 163251729 + 53821216036 = 12777^2 + 231994^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53984467765 - 2⁹ = 53984467253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53984467697 and 53984467706.

It is a congruent number.

It is an unprimeable number.

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, 2367874 + ... + 2390563.

It is an arithmetic number, because the mean of its divisors is an integer number (8101240695).

Almost surely, 2^53984467765 is an apocalyptic number.

It is an amenable number.

53984467765 is a deficient number, since it is larger than the sum of its proper divisors (10825457795).

53984467765 is a wasteful number, since it uses less digits than its factorization.

53984467765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760711.

The product of its digits is 152409600, while the sum is 64.

The spelling of 53984467765 in words is "fifty-three billion, nine hundred eighty-four million, four hundred sixty-seven thousand, seven hundred sixty-five".