5509838857 has 2 divisors, whose sum is σ = 5509838858. Its totient is φ = 5509838856.

The previous prime is 5509838801. The next prime is 5509838869. The reversal of 5509838857 is 7588389055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5088111561 + 421727296 = 71331^2 + 20536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5509838857 is a prime.

It is not a weakly prime, because it can be changed into another prime (5509838897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2754919428 + 2754919429.

It is an arithmetic number, because the mean of its divisors is an integer number (2754919429).

Almost surely, 2^5509838857 is an apocalyptic number.

It is an amenable number.

5509838857 is a deficient number, since it is larger than the sum of its proper divisors (1).

5509838857 is an equidigital number, since it uses as much as digits as its factorization.

5509838857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 58.

The square root of 5509838857 is about 74228.2887920771. The cubic root of 5509838857 is about 1766.2261040554.

The spelling of 5509838857 in words is "five billion, five hundred nine million, eight hundred thirty-eight thousand, eight hundred fifty-seven".