51144762748 has 12 divisors (see below), whose sum is σ = 89577867232. Its totient is φ = 25551086400.

The previous prime is 51144762733. The next prime is 51144762793. The reversal of 51144762748 is 84726744115.

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, 5318340 + ... + 5327947.

Almost surely, 2^51144762748 is an apocalyptic number.

It is an amenable number.

51144762748 is a deficient number, since it is larger than the sum of its proper divisors (38433104484).

51144762748 is a wasteful number, since it uses less digits than its factorization.

51144762748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10647492 (or 10647490 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The spelling of 51144762748 in words is "fifty-one billion, one hundred forty-four million, seven hundred sixty-two thousand, seven hundred forty-eight".