2155280050 has 48 divisors (see below), whose sum is σ = 4998019392. Its totient is φ = 671774400.

The previous prime is 2155280011. The next prime is 2155280063. The reversal of 2155280050 is 500825512.

2155280050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276057 + ... + 283756.

It is an arithmetic number, because the mean of its divisors is an integer number (104125404).

Almost surely, 2^2155280050 is an apocalyptic number.

2155280050 is an abundant number, since it is smaller than the sum of its proper divisors (2842739342).

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

2155280050 is a wasteful number, since it uses less digits than its factorization.

2155280050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559843 (or 559838 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 2155280050 is about 46424.9938072155. The cubic root of 2155280050 is about 1291.7185695874.

The spelling of 2155280050 in words is "two billion, one hundred fifty-five million, two hundred eighty thousand, fifty".