53123881165 has 8 divisors (see below), whose sum is σ = 63752030208. Its totient is φ = 42496856400.

The previous prime is 53123881141. The next prime is 53123881177. The reversal of 53123881165 is 56118832135.

It is a happy number.

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

It is not a de Polignac number, because 53123881165 - 2⁵ = 53123881133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173361 + ... + 369190.

It is an arithmetic number, because the mean of its divisors is an integer number (7969003776).

Almost surely, 2^53123881165 is an apocalyptic number.

It is an amenable number.

53123881165 is a deficient number, since it is larger than the sum of its proper divisors (10628149043).

53123881165 is a wasteful number, since it uses less digits than its factorization.

53123881165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562139.

The product of its digits is 172800, while the sum is 43.

The spelling of 53123881165 in words is "fifty-three billion, one hundred twenty-three million, eight hundred eighty-one thousand, one hundred sixty-five".