550620659 has 2 divisors, whose sum is σ = 550620660. Its totient is φ = 550620658.

The previous prime is 550620619. The next prime is 550620689. The reversal of 550620659 is 956026055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550620659 - 2²⁸ = 282185203 is a prime.

It is a super-2 number, since 2×550620659² = 606366220235188562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550620619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275310329 + 275310330.

It is an arithmetic number, because the mean of its divisors is an integer number (275310330).

Almost surely, 2^550620659 is an apocalyptic number.

550620659 is a deficient number, since it is larger than the sum of its proper divisors (1).

550620659 is an equidigital number, since it uses as much as digits as its factorization.

550620659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 550620659 is about 23465.3075624420. The cubic root of 550620659 is about 819.6293481505.

The spelling of 550620659 in words is "five hundred fifty million, six hundred twenty thousand, six hundred fifty-nine".