3855550550 has 12 divisors (see below), whose sum is σ = 7171324116. Its totient is φ = 1542220200.

The previous prime is 3855550537. The next prime is 3855550603. The reversal of 3855550550 is 550555583.

3855550550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3855550498 and 3855550507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38555456 + ... + 38555555.

It is an arithmetic number, because the mean of its divisors is an integer number (597610343).

Almost surely, 2^3855550550 is an apocalyptic number.

3855550550 is a deficient number, since it is larger than the sum of its proper divisors (3315773566).

3855550550 is a wasteful number, since it uses less digits than its factorization.

3855550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77111023 (or 77111018 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 41.

The square root of 3855550550 is about 62093.0797271322. The cubic root of 3855550550 is about 1568.0580408870.

The spelling of 3855550550 in words is "three billion, eight hundred fifty-five million, five hundred fifty thousand, five hundred fifty".