2553665900 has 18 divisors (see below), whose sum is σ = 5541455220. Its totient is φ = 1021466320.

The previous prime is 2553665879. The next prime is 2553665909. The reversal of 2553665900 is 95663552.

2553665900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2553665909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12768230 + ... + 12768429.

Almost surely, 2^2553665900 is an apocalyptic number.

2553665900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553665900 is an abundant number, since it is smaller than the sum of its proper divisors (2987789320).

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

2553665900 is a wasteful number, since it uses less digits than its factorization.

2553665900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25536673 (or 25536666 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 41.

The square root of 2553665900 is about 50533.8094744499. The cubic root of 2553665900 is about 1366.8515798445.

The spelling of 2553665900 in words is "two billion, five hundred fifty-three million, six hundred sixty-five thousand, nine hundred".