2153448556 has 12 divisors (see below), whose sum is σ = 4306897168. Its totient is φ = 922906512.

The previous prime is 2153448553. The next prime is 2153448589. The reversal of 2153448556 is 6558443512.

2153448556 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2153448553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38454411 + ... + 38454466.

Almost surely, 2^2153448556 is an apocalyptic number.

It is an amenable number.

2153448556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2153448556 is a wasteful number, since it uses less digits than its factorization.

2153448556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76908888 (or 76908886 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The square root of 2153448556 is about 46405.2643134375. The cubic root of 2153448556 is about 1291.3525776678.

The spelling of 2153448556 in words is "two billion, one hundred fifty-three million, four hundred forty-eight thousand, five hundred fifty-six".