51756335531067 has 4 divisors (see below), whose sum is σ = 69008447374760. Its totient is φ = 34504223687376.

The previous prime is 51756335531063. The next prime is 51756335531071. The reversal of 51756335531067 is 76013553365715.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (51756335531063) and next prime (51756335531071).

It is not a de Polignac number, because 51756335531067 - 2² = 51756335531063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51756335530998 and 51756335531016.

It is not an unprimeable number, because it can be changed into a prime (51756335531063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8626055921842 + ... + 8626055921847.

It is an arithmetic number, because the mean of its divisors is an integer number (17252111843690).

Almost surely, 2^{51756335531067} is an apocalyptic number.

51756335531067 is a deficient number, since it is larger than the sum of its proper divisors (17252111843693).

51756335531067 is a wasteful number, since it uses less digits than its factorization.

51756335531067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252111843692.

The product of its (nonzero) digits is 29767500, while the sum is 57.

The spelling of 51756335531067 in words is "fifty-one trillion, seven hundred fifty-six billion, three hundred thirty-five million, five hundred thirty-one thousand, sixty-seven".