51147276059 has 4 divisors (see below), whose sum is σ = 55797028440. Its totient is φ = 46497523680.

The previous prime is 51147276023. The next prime is 51147276067. The reversal of 51147276059 is 95067274115.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51147276059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51147276359) 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 3 ways as a sum of consecutive naturals, for example, 2324876174 + ... + 2324876195.

It is an arithmetic number, because the mean of its divisors is an integer number (13949257110).

Almost surely, 2^51147276059 is an apocalyptic number.

51147276059 is a deficient number, since it is larger than the sum of its proper divisors (4649752381).

51147276059 is a wasteful number, since it uses less digits than its factorization.

51147276059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649752380.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 51147276059 in words is "fifty-one billion, one hundred forty-seven million, two hundred seventy-six thousand, fifty-nine".