2143503552 has 56 divisors (see below), whose sum is σ = 5739725376. Its totient is φ = 705887488.

The previous prime is 2143503511. The next prime is 2143503559. The reversal of 2143503552 is 2553053412.

It is not an unprimeable number, because it can be changed into a prime (2143503559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51318 + ... + 83189.

It is an arithmetic number, because the mean of its divisors is an integer number (102495096).

Almost surely, 2^2143503552 is an apocalyptic number.

It is an amenable number.

2143503552 is an abundant number, since it is smaller than the sum of its proper divisors (3596221824).

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

2143503552 is a wasteful number, since it uses less digits than its factorization.

2143503552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134605 (or 134595 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2143503552 is about 46297.9864788956. The cubic root of 2143503552 is about 1289.3616118989.

Adding to 2143503552 its reverse (2553053412), we get a palindrome (4696556964).

The spelling of 2143503552 in words is "two billion, one hundred forty-three million, five hundred three thousand, five hundred fifty-two".