51839553675 has 192 divisors, whose sum is σ = 108187520000. Its totient is φ = 21764090880.

The previous prime is 51839553673. The next prime is 51839553679. The reversal of 51839553675 is 57635593815.

It is not a de Polignac number, because 51839553675 - 2¹ = 51839553673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51839553673) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 126746871 + ... + 126747279.

Almost surely, 2^51839553675 is an apocalyptic number.

51839553675 is an abundant number, since it is smaller than the sum of its proper divisors (56347966325).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51839553675 is a wasteful number, since it uses less digits than its factorization.

51839553675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 816 counting only the distinct ones).

The product of its digits is 17010000, while the sum is 57.

The spelling of 51839553675 in words is "fifty-one billion, eight hundred thirty-nine million, five hundred fifty-three thousand, six hundred seventy-five".