51299383 has 2 divisors, whose sum is σ = 51299384. Its totient is φ = 51299382.

The previous prime is 51299371. The next prime is 51299429. The reversal of 51299383 is 38399215.

51299383 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51299383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51299783) 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, 25649691 + 25649692.

It is an arithmetic number, because the mean of its divisors is an integer number (25649692).

Almost surely, 2^51299383 is an apocalyptic number.

51299383 is a deficient number, since it is larger than the sum of its proper divisors (1).

51299383 is an equidigital number, since it uses as much as digits as its factorization.

51299383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 51299383 is about 7162.3587595149. The cubic root of 51299383 is about 371.5672092282.

The spelling of 51299383 in words is "fifty-one million, two hundred ninety-nine thousand, three hundred eighty-three".