53303223250565 has 8 divisors (see below), whose sum is σ = 63964899067128. Its totient is φ = 42641891156160.

The previous prime is 53303223250561. The next prime is 53303223250601. The reversal of 53303223250565 is 56505232230335.

It can be written as a sum of positive squares in 4 ways, for example, as 3124035040036 + 50179188210529 = 1767494^2 + 7083727^2 .

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

It is not a de Polignac number, because 53303223250565 - 2² = 53303223250561 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 (53303223250561) 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, 85589246 + ... + 86209775.

It is an arithmetic number, because the mean of its divisors is an integer number (7995612383391).

Almost surely, 2^{53303223250565} is an apocalyptic number.

It is an amenable number.

53303223250565 is a deficient number, since it is larger than the sum of its proper divisors (10661675816563).

53303223250565 is a wasteful number, since it uses less digits than its factorization.

53303223250565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171861079.

The product of its (nonzero) digits is 2430000, while the sum is 44.

The spelling of 53303223250565 in words is "fifty-three trillion, three hundred three billion, two hundred twenty-three million, two hundred fifty thousand, five hundred sixty-five".