5559690091 has 2 divisors, whose sum is σ = 5559690092. Its totient is φ = 5559690090.

The previous prime is 5559690043. The next prime is 5559690119. The reversal of 5559690091 is 1900969555.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5559690091 is a prime.

It is not a weakly prime, because it can be changed into another prime (5559690791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2779845045 + 2779845046.

It is an arithmetic number, because the mean of its divisors is an integer number (2779845046).

Almost surely, 2^5559690091 is an apocalyptic number.

5559690091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5559690091 is an equidigital number, since it uses as much as digits as its factorization.

5559690091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 546750, while the sum is 49.

The square root of 5559690091 is about 74563.3293985723. The cubic root of 5559690091 is about 1771.5368663084.

The spelling of 5559690091 in words is "five billion, five hundred fifty-nine million, six hundred ninety thousand, ninety-one".