51853221323 has 8 divisors (see below), whose sum is σ = 51997182768. Its totient is φ = 51709381984.

The previous prime is 51853221311. The next prime is 51853221419. The reversal of 51853221323 is 32312235815.

51853221323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51853221323 - 2¹⁰ = 51853220299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51853221523) 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, 855365 + ... + 913977.

It is an arithmetic number, because the mean of its divisors is an integer number (6499647846).

Almost surely, 2^51853221323 is an apocalyptic number.

51853221323 is a deficient number, since it is larger than the sum of its proper divisors (143961445).

51853221323 is a wasteful number, since it uses less digits than its factorization.

51853221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61053.

The product of its digits is 43200, while the sum is 35.

The spelling of 51853221323 in words is "fifty-one billion, eight hundred fifty-three million, two hundred twenty-one thousand, three hundred twenty-three".