51467789 has 16 divisors (see below), whose sum is σ = 58118400. Its totient is φ = 45287424.

The previous prime is 51467783. The next prime is 51467791. The reversal of 51467789 is 98776415.

It is a cyclic number.

It is not a de Polignac number, because 51467789 - 2²⁴ = 34690573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51467783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24509 + ... + 26525.

It is an arithmetic number, because the mean of its divisors is an integer number (3632400).

Almost surely, 2^51467789 is an apocalyptic number.

It is an amenable number.

51467789 is a deficient number, since it is larger than the sum of its proper divisors (6650611).

51467789 is a wasteful number, since it uses less digits than its factorization.

51467789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132.

The product of its digits is 423360, while the sum is 47.

The square root of 51467789 is about 7174.1054494620. The cubic root of 51467789 is about 371.9733596562.

The spelling of 51467789 in words is "fifty-one million, four hundred sixty-seven thousand, seven hundred eighty-nine".