550874549 has 2 divisors, whose sum is σ = 550874550. Its totient is φ = 550874548.

The previous prime is 550874539. The next prime is 550874567. The reversal of 550874549 is 945478055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550606225 + 268324 = 23465^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 550874549 - 2¹⁶ = 550809013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550874509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275437274 + 275437275.

It is an arithmetic number, because the mean of its divisors is an integer number (275437275).

Almost surely, 2^550874549 is an apocalyptic number.

It is an amenable number.

550874549 is a deficient number, since it is larger than the sum of its proper divisors (1).

550874549 is an equidigital number, since it uses as much as digits as its factorization.

550874549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 550874549 is about 23470.7168403524. The cubic root of 550874549 is about 819.7553052354.

The spelling of 550874549 in words is "five hundred fifty million, eight hundred seventy-four thousand, five hundred forty-nine".