51210543622016 has 64 divisors (see below), whose sum is σ = 103422605424000. Its totient is φ = 25253525053440.

The previous prime is 51210543622013. The next prime is 51210543622097. The reversal of 51210543622016 is 61022634501215.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51210543622013) 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, 276480476 + ... + 276665636.

It is an arithmetic number, because the mean of its divisors is an integer number (1615978209750).

Almost surely, 2^{51210543622016} is an apocalyptic number.

It is an amenable number.

51210543622016 is an abundant number, since it is smaller than the sum of its proper divisors (52212061801984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51210543622016 is a wasteful number, since it uses less digits than its factorization.

51210543622016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214847 (or 214835 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 51210543622016 in words is "fifty-one trillion, two hundred ten billion, five hundred forty-three million, six hundred twenty-two thousand, sixteen".