551089079 has 2 divisors, whose sum is σ = 551089080. Its totient is φ = 551089078.

The previous prime is 551089073. The next prime is 551089093. The reversal of 551089079 is 970980155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551089079 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 (551089073) 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, 275544539 + 275544540.

It is an arithmetic number, because the mean of its divisors is an integer number (275544540).

Almost surely, 2^551089079 is an apocalyptic number.

551089079 is a deficient number, since it is larger than the sum of its proper divisors (1).

551089079 is an equidigital number, since it uses as much as digits as its factorization.

551089079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 551089079 is about 23475.2865584214. The cubic root of 551089079 is about 819.8617053114.

The spelling of 551089079 in words is "five hundred fifty-one million, eighty-nine thousand, seventy-nine".