52100455405 has 4 divisors (see below), whose sum is σ = 62520546492. Its totient is φ = 41680364320.

The previous prime is 52100455397. The next prime is 52100455417. The reversal of 52100455405 is 50455400125.

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 11362280836 + 40738174569 = 106594^2 + 201837^2 .

It is not a de Polignac number, because 52100455405 - 2³ = 52100455397 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 5210045536 + ... + 5210045545.

It is an arithmetic number, because the mean of its divisors is an integer number (15630136623).

Almost surely, 2^52100455405 is an apocalyptic number.

It is an amenable number.

52100455405 is a deficient number, since it is larger than the sum of its proper divisors (10420091087).

52100455405 is a wasteful number, since it uses less digits than its factorization.

52100455405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420091086.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 52100455405 in words is "fifty-two billion, one hundred million, four hundred fifty-five thousand, four hundred five".