51360709533 has 16 divisors (see below), whose sum is σ = 78392893440. Its totient is φ = 29300618736.

The previous prime is 51360709531. The next prime is 51360709549. The reversal of 51360709533 is 33590706315.

It is not a de Polignac number, because 51360709533 - 2¹ = 51360709531 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51360709531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001873 + ... + 2027366.

It is an arithmetic number, because the mean of its divisors is an integer number (4899555840).

Almost surely, 2^51360709533 is an apocalyptic number.

It is an amenable number.

51360709533 is a deficient number, since it is larger than the sum of its proper divisors (27032183907).

51360709533 is a wasteful number, since it uses less digits than its factorization.

51360709533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029856.

The product of its (nonzero) digits is 255150, while the sum is 42.

The spelling of 51360709533 in words is "fifty-one billion, three hundred sixty million, seven hundred nine thousand, five hundred thirty-three".