4555850561 has 4 divisors (see below), whose sum is σ = 4556228292. Its totient is φ = 4555472832.

The previous prime is 4555850521. The next prime is 4555850573. The reversal of 4555850561 is 1650585554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4090369936 + 465480625 = 63956^2 + 21575^2 .

It is a cyclic number.

It is not a de Polignac number, because 4555850561 - 2²² = 4551656257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4555850501) 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, 170156 + ... + 195101.

It is an arithmetic number, because the mean of its divisors is an integer number (1139057073).

Almost surely, 2^4555850561 is an apocalyptic number.

It is an amenable number.

4555850561 is a deficient number, since it is larger than the sum of its proper divisors (377731).

4555850561 is a wasteful number, since it uses less digits than its factorization.

4555850561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377730.

The product of its (nonzero) digits is 600000, while the sum is 44.

The square root of 4555850561 is about 67497.0411277413. The cubic root of 4555850561 is about 1657.7657270182.

The spelling of 4555850561 in words is "four billion, five hundred fifty-five million, eight hundred fifty thousand, five hundred sixty-one".