53718560369 has 4 divisors (see below), whose sum is σ = 56545853040. Its totient is φ = 50891267700.

The previous prime is 53718560359. The next prime is 53718560461. The reversal of 53718560369 is 96306581735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53718560369 - 2¹² = 53718556273 is a prime.

It is a super-2 number, since 2×53718560369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53718560369.

It is not an unprimeable number, because it can be changed into a prime (53718560359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413646307 + ... + 1413646344.

It is an arithmetic number, because the mean of its divisors is an integer number (14136463260).

Almost surely, 2^53718560369 is an apocalyptic number.

It is an amenable number.

53718560369 is a deficient number, since it is larger than the sum of its proper divisors (2827292671).

53718560369 is a wasteful number, since it uses less digits than its factorization.

53718560369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827292670.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 53718560369 in words is "fifty-three billion, seven hundred eighteen million, five hundred sixty thousand, three hundred sixty-nine".