5645982555 has 16 divisors (see below), whose sum is σ = 10037302560. Its totient is φ = 3011190624.

The previous prime is 5645982553. The next prime is 5645982607. The reversal of 5645982555 is 5552895465.

It is a happy number.

5645982555 is a `hidden beast` number, since 5 + 6 + 4 + 5 + 9 + 82 + 555 = 666.

It is not a de Polignac number, because 5645982555 - 2¹ = 5645982553 is a prime.

It is a super-2 number, since 2×5645982555² = 63754238022728656050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5645982553) 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 15 ways as a sum of consecutive naturals, for example, 20910912 + ... + 20911181.

It is an arithmetic number, because the mean of its divisors is an integer number (627331410).

Almost surely, 2^5645982555 is an apocalyptic number.

5645982555 is a deficient number, since it is larger than the sum of its proper divisors (4391320005).

5645982555 is a wasteful number, since it uses less digits than its factorization.

5645982555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41822107 (or 41822101 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 54.

The square root of 5645982555 is about 75139.7534930745. The cubic root of 5645982555 is about 1780.6552478634.

The spelling of 5645982555 in words is "five billion, six hundred forty-five million, nine hundred eighty-two thousand, five hundred fifty-five".