53643760365 has 32 divisors (see below), whose sum is σ = 92896876800. Its totient is φ = 26276507136.

The previous prime is 53643760319. The next prime is 53643760367. The reversal of 53643760365 is 56306734635.

It is not a de Polignac number, because 53643760365 - 2⁹ = 53643759853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53643760367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652392 + ... + 730001.

It is an arithmetic number, because the mean of its divisors is an integer number (2903027400).

Almost surely, 2^53643760365 is an apocalyptic number.

It is an amenable number.

53643760365 is a deficient number, since it is larger than the sum of its proper divisors (39253116435).

53643760365 is a wasteful number, since it uses less digits than its factorization.

53643760365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382613.

The product of its (nonzero) digits is 4082400, while the sum is 48.

The spelling of 53643760365 in words is "fifty-three billion, six hundred forty-three million, seven hundred sixty thousand, three hundred sixty-five".