8553129420 has 288 divisors, whose sum is σ = 28640896704. Its totient is φ = 1897758720.

The previous prime is 8553129341. The next prime is 8553129421. The reversal of 8553129420 is 249213558.

It is not an unprimeable number, because it can be changed into a prime (8553129421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4565604 + ... + 4567476.

It is an arithmetic number, because the mean of its divisors is an integer number (99447558).

Almost surely, 2^8553129420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8553129420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14320448352).

8553129420 is an abundant number, since it is smaller than the sum of its proper divisors (20087767284).

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

8553129420 is a wasteful number, since it uses less digits than its factorization.

8553129420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 8553129420 is about 92483.1304617226. The cubic root of 8553129420 is about 2045.0708001703.

The spelling of 8553129420 in words is "eight billion, five hundred fifty-three million, one hundred twenty-nine thousand, four hundred twenty".