2153550330 has 24 divisors (see below), whose sum is σ = 5599231092. Its totient is φ = 574280064.

The previous prime is 2153550323. The next prime is 2153550367. The reversal of 2153550330 is 330553512.

2153550330 is a `hidden beast` number, since 2 + 153 + 5 + 503 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2101580649 + 51969681 = 45843^2 + 7209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2153550294 and 2153550303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11964079 + ... + 11964258.

Almost surely, 2^2153550330 is an apocalyptic number.

2153550330 is an abundant number, since it is smaller than the sum of its proper divisors (3445680762).

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

2153550330 is a wasteful number, since it uses less digits than its factorization.

2153550330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23928350 (or 23928347 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 2153550330 is about 46406.3608786554. The cubic root of 2153550330 is about 1291.3729208589.

The spelling of 2153550330 in words is "two billion, one hundred fifty-three million, five hundred fifty thousand, three hundred thirty".