51210543622053 has 4 divisors (see below), whose sum is σ = 68280724829408. Its totient is φ = 34140362414700.

The previous prime is 51210543622013. The next prime is 51210543622097. The reversal of 51210543622053 is 35022634501215.

51210543622053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 51210543622053 - 2³³ = 51201953687461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51210543622003) 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, 8535090603673 + ... + 8535090603678.

It is an arithmetic number, because the mean of its divisors is an integer number (17070181207352).

Almost surely, 2^{51210543622053} is an apocalyptic number.

It is an amenable number.

51210543622053 is a deficient number, since it is larger than the sum of its proper divisors (17070181207355).

51210543622053 is a wasteful number, since it uses less digits than its factorization.

51210543622053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070181207354.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 51210543622053 in words is "fifty-one trillion, two hundred ten billion, five hundred forty-three million, six hundred twenty-two thousand, fifty-three".