3855550536 has 64 divisors (see below), whose sum is σ = 11175523200. Its totient is φ = 1229304384.

The previous prime is 3855550511. The next prime is 3855550537. The reversal of 3855550536 is 6350555583.

It is a junction number, because it is equal to n+sod(n) for n = 3855550491 and 3855550500.

It is not an unprimeable number, because it can be changed into a prime (3855550537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383071 + ... + 393006.

It is an arithmetic number, because the mean of its divisors is an integer number (174617550).

Almost surely, 2^3855550536 is an apocalyptic number.

3855550536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3855550536 is an abundant number, since it is smaller than the sum of its proper divisors (7319972664).

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

3855550536 is a wasteful number, since it uses less digits than its factorization.

3855550536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776115 (or 776105 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The square root of 3855550536 is about 62093.0796143983. The cubic root of 3855550536 is about 1568.0580389891.

The spelling of 3855550536 in words is "three billion, eight hundred fifty-five million, five hundred fifty thousand, five hundred thirty-six".