551110559 has 2 divisors, whose sum is σ = 551110560. Its totient is φ = 551110558.

The previous prime is 551110537. The next prime is 551110627. The reversal of 551110559 is 955011155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551110559 - 2¹² = 551106463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551110159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275555279 + 275555280.

It is an arithmetic number, because the mean of its divisors is an integer number (275555280).

Almost surely, 2^551110559 is an apocalyptic number.

551110559 is a deficient number, since it is larger than the sum of its proper divisors (1).

551110559 is an equidigital number, since it uses as much as digits as its factorization.

551110559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5625, while the sum is 32.

The square root of 551110559 is about 23475.7440563659. The cubic root of 551110559 is about 819.8723571892.

The spelling of 551110559 in words is "five hundred fifty-one million, one hundred ten thousand, five hundred fifty-nine".