51275705737244 has 12 divisors (see below), whose sum is σ = 89738049268224. Its totient is φ = 25636263089184.

The previous prime is 51275705737181. The next prime is 51275705737283. The reversal of 51275705737244 is 44273750757215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397372289 + ... + 397501304.

It is an arithmetic number, because the mean of its divisors is an integer number (7478170772352).

Almost surely, 2^{51275705737244} is an apocalyptic number.

It is an amenable number.

51275705737244 is a deficient number, since it is larger than the sum of its proper divisors (38462343530980).

51275705737244 is a wasteful number, since it uses less digits than its factorization.

51275705737244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794889724 (or 794889722 counting only the distinct ones).

The product of its (nonzero) digits is 57624000, while the sum is 59.

The spelling of 51275705737244 in words is "fifty-one trillion, two hundred seventy-five billion, seven hundred five million, seven hundred thirty-seven thousand, two hundred forty-four".