5505550859 has 2 divisors, whose sum is σ = 5505550860. Its totient is φ = 5505550858.

The previous prime is 5505550847. The next prime is 5505550873. The reversal of 5505550859 is 9580555055.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5505550859 is a prime.

It is a super-2 number, since 2×5505550859² = 60622180522071275762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5505550829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752775429 + 2752775430.

It is an arithmetic number, because the mean of its divisors is an integer number (2752775430).

Almost surely, 2^5505550859 is an apocalyptic number.

5505550859 is a deficient number, since it is larger than the sum of its proper divisors (1).

5505550859 is an equidigital number, since it uses as much as digits as its factorization.

5505550859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125000, while the sum is 47.

The square root of 5505550859 is about 74199.3993169756. The cubic root of 5505550859 is about 1765.7678002983.

The spelling of 5505550859 in words is "five billion, five hundred five million, five hundred fifty thousand, eight hundred fifty-nine".