2055655550 has 48 divisors (see below), whose sum is σ = 4123142352. Its totient is φ = 757996800.

The previous prime is 2055655541. The next prime is 2055655573. The reversal of 2055655550 is 555565502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 629522 + ... + 632778.

It is an arithmetic number, because the mean of its divisors is an integer number (85898799).

Almost surely, 2^2055655550 is an apocalyptic number.

2055655550 is an abundant number, since it is smaller than the sum of its proper divisors (2067486802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2055655550 is a wasteful number, since it uses less digits than its factorization.

2055655550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253 (or 4248 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 38.

The square root of 2055655550 is about 45339.3377763725. The cubic root of 2055655550 is about 1271.5012214335.

The spelling of 2055655550 in words is "two billion, fifty-five million, six hundred fifty-five thousand, five hundred fifty".