51450353 has 2 divisors, whose sum is σ = 51450354. Its totient is φ = 51450352.

The previous prime is 51450341. The next prime is 51450391. The reversal of 51450353 is 35305415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 12769 = 7172^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 51450353 - 2¹⁰ = 51449329 is a prime.

It is not a weakly prime, because it can be changed into another prime (51450323) 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, 25725176 + 25725177.

It is an arithmetic number, because the mean of its divisors is an integer number (25725177).

Almost surely, 2^51450353 is an apocalyptic number.

It is an amenable number.

51450353 is a deficient number, since it is larger than the sum of its proper divisors (1).

51450353 is an equidigital number, since it uses as much as digits as its factorization.

51450353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 51450353 is about 7172.8901427528. The cubic root of 51450353 is about 371.9313498208.

Adding to 51450353 its reverse (35305415), we get a palindrome (86755768).

The spelling of 51450353 in words is "fifty-one million, four hundred fifty thousand, three hundred fifty-three".