51433954559 has 16 divisors (see below), whose sum is σ = 55509669600. Its totient is φ = 47375404416.

The previous prime is 51433954547. The next prime is 51433954613. The reversal of 51433954559 is 95545933415.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51433954559 - 2⁴ = 51433954543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51433954559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51433914559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18244052 + ... + 18246870.

It is an arithmetic number, because the mean of its divisors is an integer number (3469354350).

Almost surely, 2^51433954559 is an apocalyptic number.

51433954559 is a deficient number, since it is larger than the sum of its proper divisors (4075715041).

51433954559 is a wasteful number, since it uses less digits than its factorization.

51433954559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354.

The product of its digits is 7290000, while the sum is 53.

The spelling of 51433954559 in words is "fifty-one billion, four hundred thirty-three million, nine hundred fifty-four thousand, five hundred fifty-nine".