551907707788903 has 2 divisors, whose sum is σ = 551907707788904. Its totient is φ = 551907707788902.

The previous prime is 551907707788721. The next prime is 551907707788909. The reversal of 551907707788903 is 309887707709155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551907707788903 - 2⁴⁵ = 516723335700071 is a prime.

It is a super-2 number, since 2×551907707788903² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 551907707788903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551907707788909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275953853894451 + 275953853894452.

It is an arithmetic number, because the mean of its divisors is an integer number (275953853894452).

Almost surely, 2^{551907707788903} is an apocalyptic number.

551907707788903 is a deficient number, since it is larger than the sum of its proper divisors (1).

551907707788903 is an equidigital number, since it uses as much as digits as its factorization.

551907707788903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933508800, while the sum is 76.

The spelling of 551907707788903 in words is "five hundred fifty-one trillion, nine hundred seven billion, seven hundred seven million, seven hundred eighty-eight thousand, nine hundred three".