51467249985 has 8 divisors (see below), whose sum is σ = 82347600000. Its totient is φ = 27449199984.

The previous prime is 51467249959. The next prime is 51467249987. The reversal of 51467249985 is 58994276415.

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

It is not a de Polignac number, because 51467249985 - 2⁹ = 51467249473 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (51467249987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715574985 + ... + 1715575014.

It is an arithmetic number, because the mean of its divisors is an integer number (10293450000).

Almost surely, 2^51467249985 is an apocalyptic number.

It is an amenable number.

51467249985 is a deficient number, since it is larger than the sum of its proper divisors (30880350015).

51467249985 is a wasteful number, since it uses less digits than its factorization.

51467249985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431150007.

The product of its digits is 21772800, while the sum is 60.

The spelling of 51467249985 in words is "fifty-one billion, four hundred sixty-seven million, two hundred forty-nine thousand, nine hundred eighty-five".