550161149 has 2 divisors, whose sum is σ = 550161150. Its totient is φ = 550161148.

The previous prime is 550161137. The next prime is 550161167. The reversal of 550161149 is 941161055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463540900 + 86620249 = 21530^2 + 9307^2 .

It is a cyclic number.

It is not a de Polignac number, because 550161149 - 2⁴ = 550161133 is a prime.

It is a Chen prime.

It is equal to p_28853402 and since 550161149 and 28853402 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550161109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275080574 + 275080575.

It is an arithmetic number, because the mean of its divisors is an integer number (275080575).

Almost surely, 2^550161149 is an apocalyptic number.

It is an amenable number.

550161149 is a deficient number, since it is larger than the sum of its proper divisors (1).

550161149 is an equidigital number, since it uses as much as digits as its factorization.

550161149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 550161149 is about 23455.5142557139. The cubic root of 550161149 is about 819.4012826676.

It can be divided in two parts, 55016 and 1149, that added together give a palindrome (56165).

The spelling of 550161149 in words is "five hundred fifty million, one hundred sixty-one thousand, one hundred forty-nine".