8253505553 has 4 divisors (see below), whose sum is σ = 8261071728. Its totient is φ = 8245939380.

The previous prime is 8253505523. The next prime is 8253505571. The reversal of 8253505553 is 3555053528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8253505553 - 2¹² = 8253501457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8253505553.

It is not an unprimeable number, because it can be changed into a prime (8253505523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781451 + ... + 3783632.

It is an arithmetic number, because the mean of its divisors is an integer number (2065267932).

Almost surely, 2^8253505553 is an apocalyptic number.

It is an amenable number.

8253505553 is a deficient number, since it is larger than the sum of its proper divisors (7566175).

8253505553 is a wasteful number, since it uses less digits than its factorization.

8253505553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566174.

The product of its (nonzero) digits is 450000, while the sum is 41.

The square root of 8253505553 is about 90848.8060075640. The cubic root of 8253505553 is about 2020.9061673816.

The spelling of 8253505553 in words is "eight billion, two hundred fifty-three million, five hundred five thousand, five hundred fifty-three".