51407383 has 2 divisors, whose sum is σ = 51407384. Its totient is φ = 51407382.

The previous prime is 51407359. The next prime is 51407417. The reversal of 51407383 is 38370415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51407383 - 2⁹ = 51406871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51407333) 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, 25703691 + 25703692.

It is an arithmetic number, because the mean of its divisors is an integer number (25703692).

Almost surely, 2^51407383 is an apocalyptic number.

51407383 is a deficient number, since it is larger than the sum of its proper divisors (1).

51407383 is an equidigital number, since it uses as much as digits as its factorization.

51407383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 51407383 is about 7169.8942112140. The cubic root of 51407383 is about 371.8277785107.

Adding to 51407383 its reverse (38370415), we get a palindrome (89777798).

The spelling of 51407383 in words is "fifty-one million, four hundred seven thousand, three hundred eighty-three".