51887251763 has 2 divisors, whose sum is σ = 51887251764. Its totient is φ = 51887251762.

The previous prime is 51887251729. The next prime is 51887251769. The reversal of 51887251763 is 36715278815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51887251763 - 2¹⁸ = 51886989619 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51887251769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25943625881 + 25943625882.

It is an arithmetic number, because the mean of its divisors is an integer number (25943625882).

Almost surely, 2^51887251763 is an apocalyptic number.

51887251763 is a deficient number, since it is larger than the sum of its proper divisors (1).

51887251763 is an equidigital number, since it uses as much as digits as its factorization.

51887251763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 53.

The spelling of 51887251763 in words is "fifty-one billion, eight hundred eighty-seven million, two hundred fifty-one thousand, seven hundred sixty-three".