51782753078683 has 16 divisors (see below), whose sum is σ = 58450723826400. Its totient is φ = 45442218465280.

The previous prime is 51782753078681. The next prime is 51782753078701. The reversal of 51782753078683 is 38687035728715.

It is a cyclic number.

It is not a de Polignac number, because 51782753078683 - 2¹ = 51782753078681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51782753078681) 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, 15878068 + ... + 18859441.

It is an arithmetic number, because the mean of its divisors is an integer number (3653170239150).

Almost surely, 2^{51782753078683} is an apocalyptic number.

51782753078683 is a deficient number, since it is larger than the sum of its proper divisors (6667970747717).

51782753078683 is a wasteful number, since it uses less digits than its factorization.

51782753078683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34742222.

The product of its (nonzero) digits is 474163200, while the sum is 70.

The spelling of 51782753078683 in words is "fifty-one trillion, seven hundred eighty-two billion, seven hundred fifty-three million, seventy-eight thousand, six hundred eighty-three".