51775606744 has 8 divisors (see below), whose sum is σ = 97079262660. Its totient is φ = 25887803368.

The previous prime is 51775606739. The next prime is 51775606781. The reversal of 51775606744 is 44760657715.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 51775606691 and 51775606700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235975414 + ... + 3235975429.

Almost surely, 2^51775606744 is an apocalyptic number.

It is an amenable number.

51775606744 is a deficient number, since it is larger than the sum of its proper divisors (45303655916).

51775606744 is a wasteful number, since it uses less digits than its factorization.

51775606744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471950849 (or 6471950845 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 51775606744 in words is "fifty-one billion, seven hundred seventy-five million, six hundred six thousand, seven hundred forty-four".