51322789 has 8 divisors (see below), whose sum is σ = 58704128. Its totient is φ = 43953840.

The previous prime is 51322783. The next prime is 51322807. The reversal of 51322789 is 98722315.

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

It is not a de Polignac number, because 51322789 - 2¹¹ = 51320741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51322783) 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, 8884 + ... + 13474.

It is an arithmetic number, because the mean of its divisors is an integer number (7338016).

Almost surely, 2^51322789 is an apocalyptic number.

It is an amenable number.

51322789 is a deficient number, since it is larger than the sum of its proper divisors (7381339).

51322789 is a wasteful number, since it uses less digits than its factorization.

51322789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195.

The product of its digits is 30240, while the sum is 37.

The square root of 51322789 is about 7163.9925321011. The cubic root of 51322789 is about 371.6237114006.

It can be divided in two parts, 5132 and 2789, that added together give a square (7921 = 89²).

The spelling of 51322789 in words is "fifty-one million, three hundred twenty-two thousand, seven hundred eighty-nine".