52205051663 has 4 divisors (see below), whose sum is σ = 53478345648. Its totient is φ = 50931757680.

The previous prime is 52205051651. The next prime is 52205051683. The reversal of 52205051663 is 36615050225.

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

It is a cyclic number.

It is not a de Polignac number, because 52205051663 - 2²⁶ = 52137942799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52205051603) 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, 636646931 + ... + 636647012.

It is an arithmetic number, because the mean of its divisors is an integer number (13369586412).

Almost surely, 2^52205051663 is an apocalyptic number.

52205051663 is a deficient number, since it is larger than the sum of its proper divisors (1273293985).

52205051663 is a wasteful number, since it uses less digits than its factorization.

52205051663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273293984.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 52205051663 in words is "fifty-two billion, two hundred five million, fifty-one thousand, six hundred sixty-three".