53666256156223 has 8 divisors (see below), whose sum is σ = 53990804736000. Its totient is φ = 53342256265848.

The previous prime is 53666256156199. The next prime is 53666256156323. The reversal of 53666256156223 is 32265165266635.

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

It is a cyclic number.

It is not a de Polignac number, because 53666256156223 - 2²⁵ = 53666222601791 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 (53666256156323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136976143 + ... + 137367376.

It is an arithmetic number, because the mean of its divisors is an integer number (6748850592000).

Almost surely, 2^{53666256156223} is an apocalyptic number.

53666256156223 is a deficient number, since it is larger than the sum of its proper divisors (324548579777).

53666256156223 is a wasteful number, since it uses less digits than its factorization.

53666256156223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274344701.

The product of its digits is 69984000, while the sum is 58.

The spelling of 53666256156223 in words is "fifty-three trillion, six hundred sixty-six billion, two hundred fifty-six million, one hundred fifty-six thousand, two hundred twenty-three".