2102050553 has 2 divisors, whose sum is σ = 2102050554. Its totient is φ = 2102050552.

The previous prime is 2102050537. The next prime is 2102050591. The reversal of 2102050553 is 3550502012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2102039104 + 11449 = 45848^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102050553 - 2⁴ = 2102050537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2102052553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051025276 + 1051025277.

It is an arithmetic number, because the mean of its divisors is an integer number (1051025277).

Almost surely, 2^2102050553 is an apocalyptic number.

It is an amenable number.

2102050553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102050553 is an equidigital number, since it uses as much as digits as its factorization.

2102050553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2102050553 is about 45848.1248580572. The cubic root of 2102050553 is about 1280.9958381975.

Adding to 2102050553 its reverse (3550502012), we get a palindrome (5652552565).

The spelling of 2102050553 in words is "two billion, one hundred two million, fifty thousand, five hundred fifty-three".