53315263263265 has 4 divisors (see below), whose sum is σ = 63978315915924. Its totient is φ = 42652210610608.

The previous prime is 53315263263259. The next prime is 53315263263277. The reversal of 53315263263265 is 56236236251335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23264068544656 + 30051194718609 = 4823284^2 + 5481897^2 .

It is a cyclic number.

It is not a de Polignac number, because 53315263263265 - 2⁹ = 53315263262753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5331526326322 + ... + 5331526326331.

It is an arithmetic number, because the mean of its divisors is an integer number (15994578978981).

Almost surely, 2^{53315263263265} is an apocalyptic number.

It is an amenable number.

53315263263265 is a deficient number, since it is larger than the sum of its proper divisors (10663052652659).

53315263263265 is a wasteful number, since it uses less digits than its factorization.

53315263263265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663052652658.

The product of its digits is 17496000, while the sum is 52.

The spelling of 53315263263265 in words is "fifty-three trillion, three hundred fifteen billion, two hundred sixty-three million, two hundred sixty-three thousand, two hundred sixty-five".