5620556605 has 8 divisors (see below), whose sum is σ = 6748205112. Its totient is φ = 4494087168.

The previous prime is 5620556581. The next prime is 5620556629. The reversal of 5620556605 is 5066550265.

It is an interprime number because it is at equal distance from previous prime (5620556581) and next prime (5620556629).

It can be written as a sum of positive squares in 4 ways, for example, as 1150430724 + 4470125881 = 33918^2 + 66859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5620556605 - 2⁷ = 5620556477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284244 + ... + 303373.

It is an arithmetic number, because the mean of its divisors is an integer number (843525639).

Almost surely, 2^5620556605 is an apocalyptic number.

It is an amenable number.

5620556605 is a deficient number, since it is larger than the sum of its proper divisors (1127648507).

5620556605 is a wasteful number, since it uses less digits than its factorization.

5620556605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589535.

The product of its (nonzero) digits is 270000, while the sum is 40.

The square root of 5620556605 is about 74970.3715143523. The cubic root of 5620556605 is about 1777.9782420134.

The spelling of 5620556605 in words is "five billion, six hundred twenty million, five hundred fifty-six thousand, six hundred five".