555290797 has 2 divisors, whose sum is σ = 555290798. Its totient is φ = 555290796.

The previous prime is 555290773. The next prime is 555290807. The reversal of 555290797 is 797092555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495908361 + 59382436 = 22269^2 + 7706^2 .

It is a cyclic number.

It is not a de Polignac number, because 555290797 - 2¹¹ = 555288749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555290797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555290767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277645398 + 277645399.

It is an arithmetic number, because the mean of its divisors is an integer number (277645399).

Almost surely, 2^555290797 is an apocalyptic number.

It is an amenable number.

555290797 is a deficient number, since it is larger than the sum of its proper divisors (1).

555290797 is an equidigital number, since it uses as much as digits as its factorization.

555290797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 992250, while the sum is 49.

The square root of 555290797 is about 23564.6089931490. The cubic root of 555290797 is about 821.9400805438.

The spelling of 555290797 in words is "five hundred fifty-five million, two hundred ninety thousand, seven hundred ninety-seven".