5755406221 has 2 divisors, whose sum is σ = 5755406222. Its totient is φ = 5755406220.

The previous prime is 5755406191. The next prime is 5755406243. The reversal of 5755406221 is 1226045575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3227830596 + 2527575625 = 56814^2 + 50275^2 .

It is a cyclic number.

It is not a de Polignac number, because 5755406221 - 2²⁷ = 5621188493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5755406621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2877703110 + 2877703111.

It is an arithmetic number, because the mean of its divisors is an integer number (2877703111).

Almost surely, 2^5755406221 is an apocalyptic number.

It is an amenable number.

5755406221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5755406221 is an equidigital number, since it uses as much as digits as its factorization.

5755406221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 5755406221 is about 75864.3936310045. The cubic root of 5755406221 is about 1792.0852306077.

The spelling of 5755406221 in words is "five billion, seven hundred fifty-five million, four hundred six thousand, two hundred twenty-one".