550764493 has 2 divisors, whose sum is σ = 550764494. Its totient is φ = 550764492.

The previous prime is 550764481. The next prime is 550764541. The reversal of 550764493 is 394467055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509766084 + 40998409 = 22578^2 + 6403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550764493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550764443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275382246 + 275382247.

It is an arithmetic number, because the mean of its divisors is an integer number (275382247).

Almost surely, 2^550764493 is an apocalyptic number.

It is an amenable number.

550764493 is a deficient number, since it is larger than the sum of its proper divisors (1).

550764493 is an equidigital number, since it uses as much as digits as its factorization.

550764493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 550764493 is about 23468.3721847085. The cubic root of 550764493 is about 819.7007102290.

The spelling of 550764493 in words is "five hundred fifty million, seven hundred sixty-four thousand, four hundred ninety-three".