8538208553 has 16 divisors (see below), whose sum is σ = 9897321216. Its totient is φ = 7214054400.

The previous prime is 8538208519. The next prime is 8538208559. The reversal of 8538208553 is 3558028358.

It is not a de Polignac number, because 8538208553 - 2⁶ = 8538208489 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8538208498 and 8538208507.

It is not an unprimeable number, because it can be changed into a prime (8538208559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157828 + ... + 1165178.

It is an arithmetic number, because the mean of its divisors is an integer number (618582576).

Almost surely, 2^8538208553 is an apocalyptic number.

It is an amenable number.

8538208553 is a deficient number, since it is larger than the sum of its proper divisors (1359112663).

8538208553 is a wasteful number, since it uses less digits than its factorization.

8538208553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9704.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The square root of 8538208553 is about 92402.4272029691. The cubic root of 8538208553 is about 2043.8809046722.

The spelling of 8538208553 in words is "eight billion, five hundred thirty-eight million, two hundred eight thousand, five hundred fifty-three".