4550520061 has 2 divisors, whose sum is σ = 4550520062. Its totient is φ = 4550520060.

The previous prime is 4550520019. The next prime is 4550520157. The reversal of 4550520061 is 1600250554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4394894436 + 155625625 = 66294^2 + 12475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4550520061 - 2⁷ = 4550519933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4550524061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275260030 + 2275260031.

It is an arithmetic number, because the mean of its divisors is an integer number (2275260031).

Almost surely, 2^4550520061 is an apocalyptic number.

It is an amenable number.

4550520061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550520061 is an equidigital number, since it uses as much as digits as its factorization.

4550520061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 4550520061 is about 67457.5426546209. The cubic root of 4550520061 is about 1657.1189272785.

The spelling of 4550520061 in words is "four billion, five hundred fifty million, five hundred twenty thousand, sixty-one".