51444578741053 has 6 divisors (see below), whose sum is σ = 51676306467774. Its totient is φ = 51213885513336.

The previous prime is 51444578741041. The next prime is 51444578741119. The reversal of 51444578741053 is 35014787544415.

It can be written as a sum of positive squares in only one way, i.e., 30558198034809 + 20886380706244 = 5527947^2 + 4570162^2 .

It is not a de Polignac number, because 51444578741053 - 2¹⁷ = 51444578609981 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 (51444578781053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 517199550 + ... + 517299007.

It is an arithmetic number, because the mean of its divisors is an integer number (8612717744629).

Almost surely, 2^{51444578741053} is an apocalyptic number.

It is an amenable number.

51444578741053 is a deficient number, since it is larger than the sum of its proper divisors (231727726721).

51444578741053 is an equidigital number, since it uses as much as digits as its factorization.

51444578741053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034499003 (or 1034498780 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 58.

The spelling of 51444578741053 in words is "fifty-one trillion, four hundred forty-four billion, five hundred seventy-eight million, seven hundred forty-one thousand, fifty-three".