551739049 has 2 divisors, whose sum is σ = 551739050. Its totient is φ = 551739048.

The previous prime is 551738987. The next prime is 551739059. The reversal of 551739049 is 940937155.

551739049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358723600 + 193015449 = 18940^2 + 13893^2 .

It is a cyclic number.

It is not a de Polignac number, because 551739049 - 2⁷ = 551738921 is a prime.

It is equal to p_28931929 and since 551739049 and 28931929 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 551738996 and 551739014.

It is not a weakly prime, because it can be changed into another prime (551739059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275869524 + 275869525.

It is an arithmetic number, because the mean of its divisors is an integer number (275869525).

Almost surely, 2^551739049 is an apocalyptic number.

It is an amenable number.

551739049 is a deficient number, since it is larger than the sum of its proper divisors (1).

551739049 is an equidigital number, since it uses as much as digits as its factorization.

551739049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 551739049 is about 23489.1261863868. The cubic root of 551739049 is about 820.1839013471.

It can be divided in two parts, 551 and 739049, that added together give a square (739600 = 860²).

The spelling of 551739049 in words is "five hundred fifty-one million, seven hundred thirty-nine thousand, forty-nine".