550549807 has 2 divisors, whose sum is σ = 550549808. Its totient is φ = 550549806.

The previous prime is 550549789. The next prime is 550549829. The reversal of 550549807 is 708945055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550549807 - 2²³ = 542161199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550549877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275274903 + 275274904.

It is an arithmetic number, because the mean of its divisors is an integer number (275274904).

Almost surely, 2^550549807 is an apocalyptic number.

550549807 is a deficient number, since it is larger than the sum of its proper divisors (1).

550549807 is an equidigital number, since it uses as much as digits as its factorization.

550549807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 550549807 is about 23463.7977957534. The cubic root of 550549807 is about 819.5941909338.

The spelling of 550549807 in words is "five hundred fifty million, five hundred forty-nine thousand, eight hundred seven".