51495029 has 2 divisors, whose sum is σ = 51495030. Its totient is φ = 51495028.

The previous prime is 51495013. The next prime is 51495047. The reversal of 51495029 is 92059415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36300625 + 15194404 = 6025^2 + 3898^2 .

It is a cyclic number.

It is not a de Polignac number, because 51495029 - 2⁴ = 51495013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51495029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51495049) 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, 25747514 + 25747515.

It is an arithmetic number, because the mean of its divisors is an integer number (25747515).

Almost surely, 2^51495029 is an apocalyptic number.

It is an amenable number.

51495029 is a deficient number, since it is larger than the sum of its proper divisors (1).

51495029 is an equidigital number, since it uses as much as digits as its factorization.

51495029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 51495029 is about 7176.0036928642. The cubic root of 51495029 is about 372.0389720029.

The spelling of 51495029 in words is "fifty-one million, four hundred ninety-five thousand, twenty-nine".