51052818644453 has 16 divisors (see below), whose sum is σ = 53422423833600. Its totient is φ = 48728405658240.

The previous prime is 51052818644437. The next prime is 51052818644459. The reversal of 51052818644453 is 35444681825015.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51052818644453 - 2⁴ = 51052818644437 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 (51052818644459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193669343 + ... + 193932771.

It is an arithmetic number, because the mean of its divisors is an integer number (3338901489600).

Almost surely, 2^{51052818644453} is an apocalyptic number.

It is an amenable number.

51052818644453 is a deficient number, since it is larger than the sum of its proper divisors (2369605189147).

51052818644453 is a wasteful number, since it uses less digits than its factorization.

51052818644453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349172.

The product of its (nonzero) digits is 18432000, while the sum is 56.

The spelling of 51052818644453 in words is "fifty-one trillion, fifty-two billion, eight hundred eighteen million, six hundred forty-four thousand, four hundred fifty-three".