550499893 has 2 divisors, whose sum is σ = 550499894. Its totient is φ = 550499892.

The previous prime is 550499881. The next prime is 550499897. The reversal of 550499893 is 398994055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277655569 + 272844324 = 16663^2 + 16518^2 .

It is a cyclic number.

It is not a de Polignac number, because 550499893 - 2²⁵ = 516945461 is a prime.

It is a super-2 number, since 2×550499893² = 606100264386022898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550499893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550499897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275249946 + 275249947.

It is an arithmetic number, because the mean of its divisors is an integer number (275249947).

Almost surely, 2^550499893 is an apocalyptic number.

It is an amenable number.

550499893 is a deficient number, since it is larger than the sum of its proper divisors (1).

550499893 is an equidigital number, since it uses as much as digits as its factorization.

550499893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The square root of 550499893 is about 23462.7341330886. The cubic root of 550499893 is about 819.5694214758.

The spelling of 550499893 in words is "five hundred fifty million, four hundred ninety-nine thousand, eight hundred ninety-three".