5605555601 has 4 divisors (see below), whose sum is σ = 5663344932. Its totient is φ = 5547766272.

The previous prime is 5605555559. The next prime is 5605555643. The reversal of 5605555601 is 1065555065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1065555065 = 5 ⋅213111013.

It is an interprime number because it is at equal distance from previous prime (5605555559) and next prime (5605555643).

It can be written as a sum of positive squares in 2 ways, for example, as 2303904001 + 3301651600 = 47999^2 + 57460^2 .

It is a cyclic number.

It is not a de Polignac number, because 5605555601 - 2¹⁸ = 5605293457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5605554601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28894520 + ... + 28894713.

It is an arithmetic number, because the mean of its divisors is an integer number (1415836233).

Almost surely, 2^5605555601 is an apocalyptic number.

It is an amenable number.

5605555601 is a deficient number, since it is larger than the sum of its proper divisors (57789331).

5605555601 is an equidigital number, since it uses as much as digits as its factorization.

5605555601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57789330.

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 5605555601 is about 74870.2584542086. The cubic root of 5605555601 is about 1776.3950522965.

The spelling of 5605555601 in words is "five billion, six hundred five million, five hundred fifty-five thousand, six hundred one".