53303023302565 has 8 divisors (see below), whose sum is σ = 64839842045208. Its totient is φ = 42058275920640.

The previous prime is 53303023302563. The next prime is 53303023302679. The reversal of 53303023302565 is 56520332030335.

It can be written as a sum of positive squares in 4 ways, for example, as 2306528663076 + 50996494639489 = 1518726^2 + 7141183^2 .

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

It is not a de Polignac number, because 53303023302565 - 2¹ = 53303023302563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53303023302563) 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, 73017839776 + ... + 73017840505.

It is an arithmetic number, because the mean of its divisors is an integer number (8104980255651).

Almost surely, 2^{53303023302565} is an apocalyptic number.

It is an amenable number.

53303023302565 is a deficient number, since it is larger than the sum of its proper divisors (11536818742643).

53303023302565 is a wasteful number, since it uses less digits than its factorization.

53303023302565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146035680359.

The product of its (nonzero) digits is 729000, while the sum is 40.

The spelling of 53303023302565 in words is "fifty-three trillion, three hundred three billion, twenty-three million, three hundred two thousand, five hundred sixty-five".