2055954409 has 2 divisors, whose sum is σ = 2055954410. Its totient is φ = 2055954408.

The previous prime is 2055954401. The next prime is 2055954427. The reversal of 2055954409 is 9044595502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1483405225 + 572549184 = 38515^2 + 23928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055954409 - 2³ = 2055954401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2055954401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027977204 + 1027977205.

It is an arithmetic number, because the mean of its divisors is an integer number (1027977205).

Almost surely, 2^2055954409 is an apocalyptic number.

It is an amenable number.

2055954409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055954409 is an equidigital number, since it uses as much as digits as its factorization.

2055954409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 2055954409 is about 45342.6334590306. The cubic root of 2055954409 is about 1271.5628370042.

The spelling of 2055954409 in words is "two billion, fifty-five million, nine hundred fifty-four thousand, four hundred nine".