5618655 has 24 divisors (see below), whose sum is σ = 11130912. Its totient is φ = 2568384.

The previous prime is 5618633. The next prime is 5618671. The reversal of 5618655 is 5568165.

It is not a de Polignac number, because 5618655 - 2¹³ = 5610463 is a prime.

It is a plaindrome in base 16.

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 23 ways as a sum of consecutive naturals, for example, 8604 + ... + 9233.

It is an arithmetic number, because the mean of its divisors is an integer number (463788).

Almost surely, 2^5618655 is an apocalyptic number.

5618655 is a deficient number, since it is larger than the sum of its proper divisors (5512257).

5618655 is a wasteful number, since it uses less digits than its factorization.

5618655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17855 (or 17852 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 5618655 is about 2370.3702242477. The cubic root of 5618655 is about 177.7777704716. Note that the first 5 decimals are identical.

It can be divided in two parts, 561 and 8655, that added together give a square (9216 = 96²).

The spelling of 5618655 in words is "five million, six hundred eighteen thousand, six hundred fifty-five".