2155330250 has 32 divisors (see below), whose sum is σ = 4040077392. Its totient is φ = 861000000.

The previous prime is 2155330217. The next prime is 2155330279. The reversal of 2155330250 is 520335512.

2155330250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4133089 + 2151197161 = 2033^2 + 46381^2 .

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, 200000 + ... + 210500.

Almost surely, 2^2155330250 is an apocalyptic number.

2155330250 is a deficient number, since it is larger than the sum of its proper divisors (1884747142).

2155330250 is a wasteful number, since it uses less digits than its factorization.

2155330250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339 (or 11329 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2155330250 is about 46425.5344611131. The cubic root of 2155330250 is about 1291.7285982561.

Adding to 2155330250 its reverse (520335512), we get a palindrome (2675665762).

The spelling of 2155330250 in words is "two billion, one hundred fifty-five million, three hundred thirty thousand, two hundred fifty".