2102545552 has 20 divisors (see below), whose sum is σ = 4250799360. Its totient is φ = 1005565088.

The previous prime is 2102545541. The next prime is 2102545561. The reversal of 2102545552 is 2555452012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2856352 + ... + 2857087.

It is an arithmetic number, because the mean of its divisors is an integer number (212539968).

Almost surely, 2^2102545552 is an apocalyptic number.

It is an amenable number.

2102545552 is an abundant number, since it is smaller than the sum of its proper divisors (2148253808).

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

2102545552 is a wasteful number, since it uses less digits than its factorization.

2102545552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713470 (or 5713464 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 2102545552 is about 45853.5227872407. The cubic root of 2102545552 is about 1281.0963815918.

Adding to 2102545552 its reverse (2555452012), we get a palindrome (4657997564).

The spelling of 2102545552 in words is "two billion, one hundred two million, five hundred forty-five thousand, five hundred fifty-two".