551554244089 has 2 divisors, whose sum is σ = 551554244090. Its totient is φ = 551554244088.

The previous prime is 551554244051. The next prime is 551554244119. The reversal of 551554244089 is 980442455155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489254084089 + 62300160000 = 699467^2 + 249600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551554244089 is a prime.

It is not a weakly prime, because it can be changed into another prime (551554244039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275777122044 + 275777122045.

It is an arithmetic number, because the mean of its divisors is an integer number (275777122045).

Almost surely, 2^551554244089 is an apocalyptic number.

It is an amenable number.

551554244089 is a deficient number, since it is larger than the sum of its proper divisors (1).

551554244089 is an equidigital number, since it uses as much as digits as its factorization.

551554244089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760000, while the sum is 52.

The spelling of 551554244089 in words is "five hundred fifty-one billion, five hundred fifty-four million, two hundred forty-four thousand, eighty-nine".