2055018555 has 48 divisors (see below), whose sum is σ = 3639033216. Its totient is φ = 1072431360.

The previous prime is 2055018541. The next prime is 2055018571. The reversal of 2055018555 is 5558105502.

2055018555 is a `hidden beast` number, since 20 + 5 + 501 + 85 + 55 = 666.

It is not a de Polignac number, because 2055018555 - 2⁶ = 2055018491 is a prime.

It is a super-2 number, since 2×2055018555² = 8446202522788576050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1103325 + ... + 1105185.

It is an arithmetic number, because the mean of its divisors is an integer number (75813192).

Almost surely, 2^2055018555 is an apocalyptic number.

2055018555 is a deficient number, since it is larger than the sum of its proper divisors (1584014661).

2055018555 is a wasteful number, since it uses less digits than its factorization.

2055018555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The square root of 2055018555 is about 45332.3124823784. The cubic root of 2055018555 is about 1271.3698726455.

The spelling of 2055018555 in words is "two billion, fifty-five million, eighteen thousand, five hundred fifty-five".