555049997 has 2 divisors, whose sum is σ = 555049998. Its totient is φ = 555049996.

The previous prime is 555049991. The next prime is 555050003. The reversal of 555049997 is 799940555.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (555049991) and next prime (555050003).

It can be written as a sum of positive squares in only one way, i.e., 554790916 + 259081 = 23554^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 555049997 - 2¹⁴ = 555033613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555049991) 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, 277524998 + 277524999.

It is an arithmetic number, because the mean of its divisors is an integer number (277524999).

Almost surely, 2^555049997 is an apocalyptic number.

It is an amenable number.

555049997 is a deficient number, since it is larger than the sum of its proper divisors (1).

555049997 is an equidigital number, since it uses as much as digits as its factorization.

555049997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2551500, while the sum is 53.

The square root of 555049997 is about 23559.4990821112. The cubic root of 555049997 is about 821.8212528419.

The spelling of 555049997 in words is "five hundred fifty-five million, forty-nine thousand, nine hundred ninety-seven".