2055564655 has 16 divisors (see below), whose sum is σ = 2477412000. Its totient is φ = 1637314560.

The previous prime is 2055564653. The next prime is 2055564683. The reversal of 2055564655 is 5564655502.

It is not a de Polignac number, because 2055564655 - 2¹ = 2055564653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055564653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1820131 + ... + 1821259.

It is an arithmetic number, because the mean of its divisors is an integer number (154838250).

Almost surely, 2^2055564655 is an apocalyptic number.

2055564655 is a deficient number, since it is larger than the sum of its proper divisors (421847345).

2055564655 is a wasteful number, since it uses less digits than its factorization.

2055564655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394.

The product of its (nonzero) digits is 900000, while the sum is 43.

The square root of 2055564655 is about 45338.3353796762. The cubic root of 2055564655 is about 1271.4824804845.

The spelling of 2055564655 in words is "two billion, fifty-five million, five hundred sixty-four thousand, six hundred fifty-five".