53643326554371 has 4 divisors (see below), whose sum is σ = 71524435405832. Its totient is φ = 35762217702912.

The previous prime is 53643326554357. The next prime is 53643326554379. The reversal of 53643326554371 is 17345562334635.

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

It is not a de Polignac number, because 53643326554371 - 2¹⁷ = 53643326423299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53643326554379) 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, 8940554425726 + ... + 8940554425731.

It is an arithmetic number, because the mean of its divisors is an integer number (17881108851458).

Almost surely, 2^{53643326554371} is an apocalyptic number.

53643326554371 is a deficient number, since it is larger than the sum of its proper divisors (17881108851461).

53643326554371 is a wasteful number, since it uses less digits than its factorization.

53643326554371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17881108851460.

The product of its digits is 81648000, while the sum is 57.

The spelling of 53643326554371 in words is "fifty-three trillion, six hundred forty-three billion, three hundred twenty-six million, five hundred fifty-four thousand, three hundred seventy-one".