51383305 has 16 divisors (see below), whose sum is σ = 63031104. Its totient is φ = 40201920.

The previous prime is 51383287. The next prime is 51383329. The reversal of 51383305 is 50338315.

It is not a de Polignac number, because 51383305 - 2⁷ = 51383177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54135 + ... + 55075.

It is an arithmetic number, because the mean of its divisors is an integer number (3939444).

Almost surely, 2^51383305 is an apocalyptic number.

It is an amenable number.

51383305 is a deficient number, since it is larger than the sum of its proper divisors (11647799).

51383305 is a wasteful number, since it uses less digits than its factorization.

51383305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 51383305 is about 7168.2149102828. The cubic root of 51383305 is about 371.7697176716.

The spelling of 51383305 in words is "fifty-one million, three hundred eighty-three thousand, three hundred five".