51763047651 has 48 divisors (see below), whose sum is σ = 93278931200. Its totient is φ = 28022083488.

The previous prime is 51763047649. The next prime is 51763047697. The reversal of 51763047651 is 15674036715.

51763047651 is a `hidden beast` number, since 5 + 1 + 7 + 630 + 4 + 7 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 51763047651 - 2¹ = 51763047649 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51763047597 and 51763047606.

It is not an unprimeable number, because it can be changed into a prime (51763047631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 768496 + ... + 833133.

Almost surely, 2^51763047651 is an apocalyptic number.

51763047651 is a deficient number, since it is larger than the sum of its proper divisors (41515883549).

51763047651 is a wasteful number, since it uses less digits than its factorization.

51763047651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601670 (or 1601658 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 51763047651 in words is "fifty-one billion, seven hundred sixty-three million, forty-seven thousand, six hundred fifty-one".