550555547 has 2 divisors, whose sum is σ = 550555548. Its totient is φ = 550555546.

The previous prime is 550555543. The next prime is 550555613. The reversal of 550555547 is 745555055.

550555547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550555547 - 2² = 550555543 is a prime.

It is a super-2 number, since 2×550555547² = 606222820664938418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550555543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275277773 + 275277774.

It is an arithmetic number, because the mean of its divisors is an integer number (275277774).

Almost surely, 2^550555547 is an apocalyptic number.

550555547 is a deficient number, since it is larger than the sum of its proper divisors (1).

550555547 is an equidigital number, since it uses as much as digits as its factorization.

550555547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437500, while the sum is 41.

The square root of 550555547 is about 23463.9201115244. The cubic root of 550555547 is about 819.5970392708.

The spelling of 550555547 in words is "five hundred fifty million, five hundred fifty-five thousand, five hundred forty-seven".