2055075509 has 2 divisors, whose sum is σ = 2055075510. Its totient is φ = 2055075508.

The previous prime is 2055075443. The next prime is 2055075557. The reversal of 2055075509 is 9055705502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1560013009 + 495062500 = 39497^2 + 22250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2055075509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055075109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027537754 + 1027537755.

It is an arithmetic number, because the mean of its divisors is an integer number (1027537755).

Almost surely, 2^2055075509 is an apocalyptic number.

It is an amenable number.

2055075509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055075509 is an equidigital number, since it uses as much as digits as its factorization.

2055075509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78750, while the sum is 38.

The square root of 2055075509 is about 45332.9406612896. The cubic root of 2055075509 is about 1271.3816177026.

The spelling of 2055075509 in words is "two billion, fifty-five million, seventy-five thousand, five hundred nine".