51068783 has 2 divisors, whose sum is σ = 51068784. Its totient is φ = 51068782.

The previous prime is 51068779. The next prime is 51068791. The reversal of 51068783 is 38786015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51068783 - 2² = 51068779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51068483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25534391 + 25534392.

It is an arithmetic number, because the mean of its divisors is an integer number (25534392).

Almost surely, 2^51068783 is an apocalyptic number.

51068783 is a deficient number, since it is larger than the sum of its proper divisors (1).

51068783 is an equidigital number, since it uses as much as digits as its factorization.

51068783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 51068783 is about 7146.2425791461. The cubic root of 51068783 is about 371.0096189774.

The spelling of 51068783 in words is "fifty-one million, sixty-eight thousand, seven hundred eighty-three".