3855355555 has 16 divisors (see below), whose sum is σ = 4787838720. Its totient is φ = 2976760192.

The previous prime is 3855355549. The next prime is 3855355573. The reversal of 3855355555 is 5555535583.

3855355555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3855355555 - 2³ = 3855355547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3855355499 and 3855355508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634542 + ... + 640588.

It is an arithmetic number, because the mean of its divisors is an integer number (299239920).

Almost surely, 2^3855355555 is an apocalyptic number.

3855355555 is a deficient number, since it is larger than the sum of its proper divisors (932483165).

3855355555 is a wasteful number, since it uses less digits than its factorization.

3855355555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10478.

The product of its digits is 5625000, while the sum is 49.

The square root of 3855355555 is about 62091.5095242498. The cubic root of 3855355555 is about 1568.0316055242.

The spelling of 3855355555 in words is "three billion, eight hundred fifty-five million, three hundred fifty-five thousand, five hundred fifty-five".