4055045550 has 96 divisors (see below), whose sum is σ = 10844305920. Its totient is φ = 999417600.

The previous prime is 4055045543. The next prime is 4055045587. The reversal of 4055045550 is 555405504.

It is a congruent number.

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, 99499 + ... + 134201.

It is an arithmetic number, because the mean of its divisors is an integer number (112961520).

Almost surely, 2^4055045550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4055045550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5422152960).

4055045550 is an abundant number, since it is smaller than the sum of its proper divisors (6789260370).

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

4055045550 is a wasteful number, since it uses less digits than its factorization.

4055045550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34778 (or 34773 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 4055045550 is about 63679.2395526203. The cubic root of 4055045550 is about 1594.6495169743.

The spelling of 4055045550 in words is "four billion, fifty-five million, forty-five thousand, five hundred fifty".