51051517744 has 20 divisors (see below), whose sum is σ = 98965523440. Its totient is φ = 25512027840.

The previous prime is 51051517733. The next prime is 51051517799. The reversal of 51051517744 is 44771515015.

It is a happy number.

51051517744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51051517697 and 51051517706.

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, 827484 + ... + 887035.

It is an arithmetic number, because the mean of its divisors is an integer number (4948276172).

Almost surely, 2^51051517744 is an apocalyptic number.

It is an amenable number.

51051517744 is a deficient number, since it is larger than the sum of its proper divisors (47914005696).

51051517744 is a wasteful number, since it uses less digits than its factorization.

51051517744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716388 (or 1716382 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 40.

The spelling of 51051517744 in words is "fifty-one billion, fifty-one million, five hundred seventeen thousand, seven hundred forty-four".