5555551459 has 2 divisors, whose sum is σ = 5555551460. Its totient is φ = 5555551458.

The previous prime is 5555551457. The next prime is 5555551511. The reversal of 5555551459 is 9541555555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5555551459 - 2¹ = 5555551457 is a prime.

Together with 5555551457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5555551457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777775729 + 2777775730.

It is an arithmetic number, because the mean of its divisors is an integer number (2777775730).

Almost surely, 2^5555551459 is an apocalyptic number.

5555551459 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555551459 is an equidigital number, since it uses as much as digits as its factorization.

5555551459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2812500, while the sum is 49.

The square root of 5555551459 is about 74535.5717694578. The cubic root of 5555551459 is about 1771.0971799803.

The spelling of 5555551459 in words is "five billion, five hundred fifty-five million, five hundred fifty-one thousand, four hundred fifty-nine".