551442049 has 2 divisors, whose sum is σ = 551442050. Its totient is φ = 551442048.

The previous prime is 551442037. The next prime is 551442061. The reversal of 551442049 is 940244155.

It is a balanced prime because it is at equal distance from previous prime (551442037) and next prime (551442061).

It can be written as a sum of positive squares in only one way, i.e., 286794225 + 264647824 = 16935^2 + 16268^2 .

It is a cyclic number.

It is not a de Polignac number, because 551442049 - 2²¹ = 549344897 is a prime.

It is not a weakly prime, because it can be changed into another prime (551442029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275721024 + 275721025.

It is an arithmetic number, because the mean of its divisors is an integer number (275721025).

Almost surely, 2^551442049 is an apocalyptic number.

It is an amenable number.

551442049 is a deficient number, since it is larger than the sum of its proper divisors (1).

551442049 is an equidigital number, since it uses as much as digits as its factorization.

551442049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 551442049 is about 23482.8032611100. The cubic root of 551442049 is about 820.0367071611.

The spelling of 551442049 in words is "five hundred fifty-one million, four hundred forty-two thousand, forty-nine".