51063989 has 2 divisors, whose sum is σ = 51063990. Its totient is φ = 51063988.

The previous prime is 51063977. The next prime is 51064003. The reversal of 51063989 is 98936015.

51063989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38031889 + 13032100 = 6167^2 + 3610^2 .

It is a cyclic number.

It is not a de Polignac number, because 51063989 - 2¹² = 51059893 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 (51063889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25531994 + 25531995.

It is an arithmetic number, because the mean of its divisors is an integer number (25531995).

Almost surely, 2^51063989 is an apocalyptic number.

It is an amenable number.

51063989 is a deficient number, since it is larger than the sum of its proper divisors (1).

51063989 is an equidigital number, since it uses as much as digits as its factorization.

51063989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 51063989 is about 7145.9071502504. The cubic root of 51063989 is about 370.9980093034.

The spelling of 51063989 in words is "fifty-one million, sixty-three thousand, nine hundred eighty-nine".