551227007 has 2 divisors, whose sum is σ = 551227008. Its totient is φ = 551227006.

The previous prime is 551226967. The next prime is 551227063. The reversal of 551227007 is 700722155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551227007 - 2⁶ = 551226943 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 (551227067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275613503 + 275613504.

It is an arithmetic number, because the mean of its divisors is an integer number (275613504).

Almost surely, 2^551227007 is an apocalyptic number.

551227007 is a deficient number, since it is larger than the sum of its proper divisors (1).

551227007 is an equidigital number, since it uses as much as digits as its factorization.

551227007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 551227007 is about 23478.2241023464. The cubic root of 551227007 is about 819.9300986418.

The spelling of 551227007 in words is "five hundred fifty-one million, two hundred twenty-seven thousand, seven".