4521553553 has 16 divisors (see below), whose sum is σ = 4986748800. Its totient is φ = 4065619200.

The previous prime is 4521553537. The next prime is 4521553583. The reversal of 4521553553 is 3553551254.

It is a cyclic number.

It is not a de Polignac number, because 4521553553 - 2⁴ = 4521553537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4521553583) 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, 389276 + ... + 400722.

It is an arithmetic number, because the mean of its divisors is an integer number (311671800).

Almost surely, 2^4521553553 is an apocalyptic number.

It is an amenable number.

4521553553 is a deficient number, since it is larger than the sum of its proper divisors (465195247).

4521553553 is a wasteful number, since it uses less digits than its factorization.

4521553553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848.

The product of its digits is 225000, while the sum is 38.

The square root of 4521553553 is about 67242.4981168903. The cubic root of 4521553553 is about 1653.5952889280.

The spelling of 4521553553 in words is "four billion, five hundred twenty-one million, five hundred fifty-three thousand, five hundred fifty-three".