51788651 has 2 divisors, whose sum is σ = 51788652. Its totient is φ = 51788650.

The previous prime is 51788599. The next prime is 51788657. The reversal of 51788651 is 15688715.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51788651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51788599 and 51788608.

It is not a weakly prime, because it can be changed into another prime (51788657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25894325 + 25894326.

It is an arithmetic number, because the mean of its divisors is an integer number (25894326).

Almost surely, 2^51788651 is an apocalyptic number.

51788651 is a deficient number, since it is larger than the sum of its proper divisors (1).

51788651 is an equidigital number, since it uses as much as digits as its factorization.

51788651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 41.

The square root of 51788651 is about 7196.4332137525. The cubic root of 51788651 is about 372.7447479431.

The spelling of 51788651 in words is "fifty-one million, seven hundred eighty-eight thousand, six hundred fifty-one".