53671887053553 has 4 divisors (see below), whose sum is σ = 71562516071408. Its totient is φ = 35781258035700.

The previous prime is 53671887053539. The next prime is 53671887053557. The reversal of 53671887053553 is 35535078817635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53671887053553 - 2¹⁰ = 53671887052529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53671887053557) 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, 8945314508923 + ... + 8945314508928.

It is an arithmetic number, because the mean of its divisors is an integer number (17890629017852).

Almost surely, 2^{53671887053553} is an apocalyptic number.

It is an amenable number.

53671887053553 is a deficient number, since it is larger than the sum of its proper divisors (17890629017855).

53671887053553 is a wasteful number, since it uses less digits than its factorization.

53671887053553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17890629017854.

The product of its (nonzero) digits is 317520000, while the sum is 66.

The spelling of 53671887053553 in words is "fifty-three trillion, six hundred seventy-one billion, eight hundred eighty-seven million, fifty-three thousand, five hundred fifty-three".