53282340865 has 64 divisors (see below), whose sum is σ = 73581915456. Its totient is φ = 36691771392.

The previous prime is 53282340823. The next prime is 53282340887. The reversal of 53282340865 is 56804328235.

It can be written as a sum of positive squares in 32 ways, for example, as 33222717441 + 20059623424 = 182271^2 + 141632^2 .

It is a 3-Lehmer number, since φ(53282340865) divides (53282340865-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 53282340865 - 2²¹ = 53280243713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92343457 + ... + 92344033.

It is an arithmetic number, because the mean of its divisors is an integer number (1149717429).

It is a Proth number, since it is equal to 25407 ⋅ 2²¹ + 1 and 25407 < 2²¹.

It is a Poulet number, since it divides 2^53282340864-1.

Almost surely, 2^53282340865 is an apocalyptic number.

It is an amenable number.

53282340865 is a deficient number, since it is larger than the sum of its proper divisors (20299574591).

53282340865 is a wasteful number, since it uses less digits than its factorization.

53282340865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 53282340865 in words is "fifty-three billion, two hundred eighty-two million, three hundred forty thousand, eight hundred sixty-five".