51300545664253 has 8 divisors (see below), whose sum is σ = 53550768981080. Its totient is φ = 49095781404480.

The previous prime is 51300545664191. The next prime is 51300545664301. The reversal of 51300545664253 is 35246654500315.

It can be written as a sum of positive squares in 4 ways, for example, as 2008393483684 + 49292152180569 = 1417178^2 + 7020837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51300545664253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51300545664197 and 51300545664206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51300545662253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11364761958 + ... + 11364766471.

It is an arithmetic number, because the mean of its divisors is an integer number (6693846122635).

Almost surely, 2^{51300545664253} is an apocalyptic number.

It is an amenable number.

51300545664253 is a deficient number, since it is larger than the sum of its proper divisors (2250223316827).

51300545664253 is a wasteful number, since it uses less digits than its factorization.

51300545664253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22729528527.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 51300545664253 in words is "fifty-one trillion, three hundred billion, five hundred forty-five million, six hundred sixty-four thousand, two hundred fifty-three".