2055750989 has 2 divisors, whose sum is σ = 2055750990. Its totient is φ = 2055750988.

The previous prime is 2055750953. The next prime is 2055751007. The reversal of 2055750989 is 9890575502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1743062500 + 312688489 = 41750^2 + 17683^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055750989 - 2²⁴ = 2038973773 is a prime.

It is a super-2 number, since 2×2055750989² = 8452224257548956242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055750919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027875494 + 1027875495.

It is an arithmetic number, because the mean of its divisors is an integer number (1027875495).

Almost surely, 2^2055750989 is an apocalyptic number.

It is an amenable number.

2055750989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055750989 is an equidigital number, since it uses as much as digits as its factorization.

2055750989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The square root of 2055750989 is about 45340.3902607818. The cubic root of 2055750989 is about 1271.5208986806.

The spelling of 2055750989 in words is "two billion, fifty-five million, seven hundred fifty thousand, nine hundred eighty-nine".