550332149 has 2 divisors, whose sum is σ = 550332150. Its totient is φ = 550332148.

The previous prime is 550332073. The next prime is 550332157. The reversal of 550332149 is 941233055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499209649 + 51122500 = 22343^2 + 7150^2 .

It is a cyclic number.

It is not a de Polignac number, because 550332149 - 2⁸ = 550331893 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 (550332199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275166074 + 275166075.

It is an arithmetic number, because the mean of its divisors is an integer number (275166075).

Almost surely, 2^550332149 is an apocalyptic number.

It is an amenable number.

550332149 is a deficient number, since it is larger than the sum of its proper divisors (1).

550332149 is an equidigital number, since it uses as much as digits as its factorization.

550332149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 550332149 is about 23459.1591707802. The cubic root of 550332149 is about 819.4861687687.

The spelling of 550332149 in words is "five hundred fifty million, three hundred thirty-two thousand, one hundred forty-nine".