3620055565 has 48 divisors (see below), whose sum is σ = 5401225152. Its totient is φ = 2314185216.

The previous prime is 3620055563. The next prime is 3620055589. The reversal of 3620055565 is 5655500263.

It is not a de Polignac number, because 3620055565 - 2¹ = 3620055563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620055563) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 441594 + ... + 449716.

It is an arithmetic number, because the mean of its divisors is an integer number (112525524).

Almost surely, 2^3620055565 is an apocalyptic number.

3620055565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3620055565 is a deficient number, since it is larger than the sum of its proper divisors (1781169587).

3620055565 is a wasteful number, since it uses less digits than its factorization.

3620055565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266 (or 8259 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 3620055565 is about 60166.8975849678. The cubic root of 3620055565 is about 1535.4596642096.

The spelling of 3620055565 in words is "three billion, six hundred twenty million, fifty-five thousand, five hundred sixty-five".