51343662543301 has 4 divisors (see below), whose sum is σ = 51411131220204. Its totient is φ = 51276193866400.

The previous prime is 51343662543281. The next prime is 51343662543317. The reversal of 51343662543301 is 10334526634315.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16947795232900 + 34395867310401 = 4116770^2 + 5864799^2 .

It is a cyclic number.

It is not a de Polignac number, because 51343662543301 - 2²¹ = 51343660446149 is a prime.

It is a super-2 number, since 2×51343662543301² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51343662543101) 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, 33734337310 + ... + 33734338831.

It is an arithmetic number, because the mean of its divisors is an integer number (12852782805051).

Almost surely, 2^{51343662543301} is an apocalyptic number.

It is an amenable number.

51343662543301 is a deficient number, since it is larger than the sum of its proper divisors (67468676903).

51343662543301 is an equidigital number, since it uses as much as digits as its factorization.

51343662543301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67468676902.

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 51343662543301 in words is "fifty-one trillion, three hundred forty-three billion, six hundred sixty-two million, five hundred forty-three thousand, three hundred one".