550538519 has 2 divisors, whose sum is σ = 550538520. Its totient is φ = 550538518.

The previous prime is 550538491. The next prime is 550538587. The reversal of 550538519 is 915835055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550538519 - 2¹² = 550534423 is a prime.

It is a super-2 number, since 2×550538519² = 606185321805426722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550538819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275269259 + 275269260.

It is an arithmetic number, because the mean of its divisors is an integer number (275269260).

Almost surely, 2^550538519 is an apocalyptic number.

550538519 is a deficient number, since it is larger than the sum of its proper divisors (1).

550538519 is an equidigital number, since it uses as much as digits as its factorization.

550538519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 41.

The square root of 550538519 is about 23463.5572537499. The cubic root of 550538519 is about 819.5885894772.

The spelling of 550538519 in words is "five hundred fifty million, five hundred thirty-eight thousand, five hundred nineteen".