51756346397371 has 16 divisors (see below), whose sum is σ = 66101231766528. Its totient is φ = 39345971284800.

The previous prime is 51756346397369. The next prime is 51756346397407. The reversal of 51756346397371 is 17379364365715.

It is a cyclic number.

It is not a de Polignac number, because 51756346397371 - 2¹ = 51756346397369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51756346397297 and 51756346397306.

It is not an unprimeable number, because it can be changed into a prime (51756346397351) 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, 8197074195 + ... + 8197080508.

It is an arithmetic number, because the mean of its divisors is an integer number (4131326985408).

Almost surely, 2^{51756346397371} is an apocalyptic number.

51756346397371 is a deficient number, since it is larger than the sum of its proper divisors (14344885369157).

51756346397371 is a wasteful number, since it uses less digits than its factorization.

51756346397371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16394154762.

The product of its digits is 300056400, while the sum is 67.

The spelling of 51756346397371 in words is "fifty-one trillion, seven hundred fifty-six billion, three hundred forty-six million, three hundred ninety-seven thousand, three hundred seventy-one".