2055636550 has 24 divisors (see below), whose sum is σ = 4171074552. Its totient is φ = 747504000.

The previous prime is 2055636547. The next prime is 2055636563. The reversal of 2055636550 is 556365502.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1868211 + ... + 1869310.

It is an arithmetic number, because the mean of its divisors is an integer number (173794773).

Almost surely, 2^2055636550 is an apocalyptic number.

2055636550 is an abundant number, since it is smaller than the sum of its proper divisors (2115438002).

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

2055636550 is a wasteful number, since it uses less digits than its factorization.

2055636550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737544 (or 3737539 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 2055636550 is about 45339.1282448174. The cubic root of 2055636550 is about 1271.4973040136.

The spelling of 2055636550 in words is "two billion, fifty-five million, six hundred thirty-six thousand, five hundred fifty".