51343688133587 has 4 divisors (see below), whose sum is σ = 51564047310360. Its totient is φ = 51123328956816.

The previous prime is 51343688133559. The next prime is 51343688133593. The reversal of 51343688133587 is 78533188634315.

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

It is a cyclic number.

It is not a de Polignac number, because 51343688133587 - 2⁶ = 51343688133523 is a prime.

It is a super-2 number, since 2×51343688133587² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51343688133547) 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, 110179588037 + ... + 110179588502.

It is an arithmetic number, because the mean of its divisors is an integer number (12891011827590).

Almost surely, 2^{51343688133587} is an apocalyptic number.

51343688133587 is a deficient number, since it is larger than the sum of its proper divisors (220359176773).

51343688133587 is a wasteful number, since it uses less digits than its factorization.

51343688133587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220359176772.

The product of its digits is 174182400, while the sum is 65.

The spelling of 51343688133587 in words is "fifty-one trillion, three hundred forty-three billion, six hundred eighty-eight million, one hundred thirty-three thousand, five hundred eighty-seven".