51383713 has 16 divisors (see below), whose sum is σ = 54221440. Its totient is φ = 48646656.

The previous prime is 51383711. The next prime is 51383747. The reversal of 51383713 is 31738315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51383713 - 2¹ = 51383711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51383711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369598 + ... + 369736.

It is an arithmetic number, because the mean of its divisors is an integer number (3388840).

Almost surely, 2^51383713 is an apocalyptic number.

It is an amenable number.

51383713 is a deficient number, since it is larger than the sum of its proper divisors (2837727).

51383713 is a wasteful number, since it uses less digits than its factorization.

51383713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its digits is 7560, while the sum is 31.

The square root of 51383713 is about 7168.2433691944. The cubic root of 51383713 is about 371.7707016594.

The spelling of 51383713 in words is "fifty-one million, three hundred eighty-three thousand, seven hundred thirteen".