51610789 has 2 divisors, whose sum is σ = 51610790. Its totient is φ = 51610788.

The previous prime is 51610771. The next prime is 51610831. The reversal of 51610789 is 98701615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41177889 + 10432900 = 6417^2 + 3230^2 .

It is a cyclic number.

It is not a de Polignac number, because 51610789 - 2⁷ = 51610661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51610739) 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 as a sum of consecutive naturals, namely, 25805394 + 25805395.

It is an arithmetic number, because the mean of its divisors is an integer number (25805395).

Almost surely, 2^51610789 is an apocalyptic number.

It is an amenable number.

51610789 is a deficient number, since it is larger than the sum of its proper divisors (1).

51610789 is an equidigital number, since it uses as much as digits as its factorization.

51610789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 51610789 is about 7184.0649356753. The cubic root of 51610789 is about 372.3175425821.

The spelling of 51610789 in words is "fifty-one million, six hundred ten thousand, seven hundred eighty-nine".