51745417244 has 12 divisors (see below), whose sum is σ = 90575049600. Its totient is φ = 25866831648.

The previous prime is 51745417211. The next prime is 51745417259. The reversal of 51745417244 is 44271454715.

It is a junction number, because it is equal to n+sod(n) for n = 51745417195 and 51745417204.

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, 1449404 + ... + 1484675.

It is an arithmetic number, because the mean of its divisors is an integer number (7547920800).

Almost surely, 2^51745417244 is an apocalyptic number.

It is an amenable number.

51745417244 is a deficient number, since it is larger than the sum of its proper divisors (38829632356).

51745417244 is a wasteful number, since it uses less digits than its factorization.

51745417244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938492 (or 2938490 counting only the distinct ones).

The product of its digits is 627200, while the sum is 44.

The spelling of 51745417244 in words is "fifty-one billion, seven hundred forty-five million, four hundred seventeen thousand, two hundred forty-four".