4553756561 has 8 divisors (see below), whose sum is σ = 4823396424. Its totient is φ = 4284313600.

The previous prime is 4553756549. The next prime is 4553756569. The reversal of 4553756561 is 1656573554.

It can be written as a sum of positive squares in 4 ways, for example, as 531025936 + 4022730625 = 23044^2 + 63425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4553756561 - 2³⁰ = 3480014737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4553756569) 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, 200 + ... + 95433.

It is an arithmetic number, because the mean of its divisors is an integer number (602924553).

Almost surely, 2^4553756561 is an apocalyptic number.

It is an amenable number.

4553756561 is a deficient number, since it is larger than the sum of its proper divisors (269639863).

4553756561 is a wasteful number, since it uses less digits than its factorization.

4553756561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98451.

The product of its digits is 1890000, while the sum is 47.

The square root of 4553756561 is about 67481.5275538425. The cubic root of 4553756561 is about 1657.5117024866.

The spelling of 4553756561 in words is "four billion, five hundred fifty-three million, seven hundred fifty-six thousand, five hundred sixty-one".