53205665206 has 8 divisors (see below), whose sum is σ = 79811230824. Its totient is φ = 26601921600.

The previous prime is 53205665203. The next prime is 53205665267. The reversal of 53205665206 is 60256650235.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53205665203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379995 + ... + 500806.

It is an arithmetic number, because the mean of its divisors is an integer number (9976403853).

Almost surely, 2^53205665206 is an apocalyptic number.

53205665206 is a deficient number, since it is larger than the sum of its proper divisors (26605565618).

53205665206 is a wasteful number, since it uses less digits than its factorization.

53205665206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911006.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 53205665206 in words is "fifty-three billion, two hundred five million, six hundred sixty-five thousand, two hundred six".