53667664205 has 4 divisors (see below), whose sum is σ = 64401197052. Its totient is φ = 42934131360.

The previous prime is 53667664181. The next prime is 53667664213. The reversal of 53667664205 is 50246676635.

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 12514673161 + 41152991044 = 111869^2 + 202862^2 .

It is not a de Polignac number, because 53667664205 - 2¹⁴ = 53667647821 is a prime.

It is a Duffinian number.

It is a congruent 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, 5366766416 + ... + 5366766425.

It is an arithmetic number, because the mean of its divisors is an integer number (16100299263).

Almost surely, 2^53667664205 is an apocalyptic number.

It is an amenable number.

53667664205 is a deficient number, since it is larger than the sum of its proper divisors (10733532847).

53667664205 is a wasteful number, since it uses less digits than its factorization.

53667664205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733532846.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 53667664205 in words is "fifty-three billion, six hundred sixty-seven million, six hundred sixty-four thousand, two hundred five".