2055403305 has 24 divisors (see below), whose sum is σ = 3563771328. Its totient is φ = 1095885216.

The previous prime is 2055403279. The next prime is 2055403307. The reversal of 2055403305 is 5033045502.

It is not a de Polignac number, because 2055403305 - 2¹⁸ = 2055141161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2055403307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248974 + ... + 257096.

It is an arithmetic number, because the mean of its divisors is an integer number (148490472).

Almost surely, 2^2055403305 is an apocalyptic number.

It is an amenable number.

2055403305 is a deficient number, since it is larger than the sum of its proper divisors (1508368023).

2055403305 is a wasteful number, since it uses less digits than its factorization.

2055403305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13757 (or 13754 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 2055403305 is about 45336.5559455061. Note that the first 3 decimals coincide. The cubic root of 2055403305 is about 1271.4492115940.

Adding to 2055403305 its reverse (5033045502), we get a palindrome (7088448807).

The spelling of 2055403305 in words is "two billion, fifty-five million, four hundred three thousand, three hundred five".