6553232540 has 24 divisors (see below), whose sum is σ = 14097443472. Its totient is φ = 2557358720.

The previous prime is 6553232531. The next prime is 6553232549. The reversal of 6553232540 is 452323556.

It is an interprime number because it is at equal distance from previous prime (6553232531) and next prime (6553232549).

It is a self number, because there is not a number n which added to its sum of digits gives 6553232540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553232549) 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, 3995054 + ... + 3996693.

It is an arithmetic number, because the mean of its divisors is an integer number (587393478).

Almost surely, 2^6553232540 is an apocalyptic number.

It is an amenable number.

6553232540 is an abundant number, since it is smaller than the sum of its proper divisors (7544210932).

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

6553232540 is a wasteful number, since it uses less digits than its factorization.

6553232540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991797 (or 7991795 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 6553232540 is about 80952.0385166427. The cubic root of 6553232540 is about 1871.3363759054.

The spelling of 6553232540 in words is "six billion, five hundred fifty-three million, two hundred thirty-two thousand, five hundred forty".