51856160147 has 6 divisors (see below), whose sum is σ = 56998919964. Its totient is φ = 47141963660.

The previous prime is 51856160141. The next prime is 51856160173. The reversal of 51856160147 is 74106165815.

51856160147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51856160147 - 2¹⁶ = 51856094611 is a prime.

It is a super-3 number, since 3×51856160147³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51856160098 and 51856160107.

It is not an unprimeable number, because it can be changed into a prime (51856160141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214281533 + ... + 214281774.

It is an arithmetic number, because the mean of its divisors is an integer number (9499819994).

Almost surely, 2^51856160147 is an apocalyptic number.

51856160147 is a deficient number, since it is larger than the sum of its proper divisors (5142759817).

51856160147 is a wasteful number, since it uses less digits than its factorization.

51856160147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428563329 (or 428563318 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 51856160147 in words is "fifty-one billion, eight hundred fifty-six million, one hundred sixty thousand, one hundred forty-seven".