5555005091 has 4 divisors (see below), whose sum is σ = 5847373800. Its totient is φ = 5262636384.

The previous prime is 5555005073. The next prime is 5555005123. The reversal of 5555005091 is 1905005555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1905005555 = 5 ⋅381001111.

It is a cyclic number.

It is not a de Polignac number, because 5555005091 - 2¹⁰ = 5555004067 is a prime.

It is a super-2 number, since 2×5555005091² = 61716163122071836562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5555005691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146184326 + ... + 146184363.

It is an arithmetic number, because the mean of its divisors is an integer number (1461843450).

Almost surely, 2^5555005091 is an apocalyptic number.

5555005091 is a deficient number, since it is larger than the sum of its proper divisors (292368709).

5555005091 is a wasteful number, since it uses less digits than its factorization.

5555005091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292368708.

The product of its (nonzero) digits is 28125, while the sum is 35.

The square root of 5555005091 is about 74531.9065300224. The cubic root of 5555005091 is about 1771.0391177846.

The spelling of 5555005091 in words is "five billion, five hundred fifty-five million, five thousand, ninety-one".