2550055303021 has 2 divisors, whose sum is σ = 2550055303022. Its totient is φ = 2550055303020.

The previous prime is 2550055302937. The next prime is 2550055303049. The reversal of 2550055303021 is 1203035500552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1988342527396 + 561712775625 = 1410086^2 + 749475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550055303021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2550055303051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275027651510 + 1275027651511.

It is an arithmetic number, because the mean of its divisors is an integer number (1275027651511).

Almost surely, 2^{2550055303021} is an apocalyptic number.

It is an amenable number.

2550055303021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550055303021 is an equidigital number, since it uses as much as digits as its factorization.

2550055303021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 2550055303021 in words is "two trillion, five hundred fifty billion, fifty-five million, three hundred three thousand, twenty-one".