5645598 has 32 divisors (see below), whose sum is σ = 13665024. Its totient is φ = 1517952.

The previous prime is 5645579. The next prime is 5645609. The reversal of 5645598 is 8955465.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3240 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (427032).

Almost surely, 2^5645598 is an apocalyptic number.

5645598 is an abundant number, since it is smaller than the sum of its proper divisors (8019426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5645598 is a wasteful number, since it uses less digits than its factorization.

5645598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936.

The product of its digits is 216000, while the sum is 42.

The square root of 5645598 is about 2376.0467167124. The cubic root of 5645598 is about 178.0614819386.

It can be divided in two parts, 56 and 45598, that added together give a palindrome (45654).

The spelling of 5645598 in words is "five million, six hundred forty-five thousand, five hundred ninety-eight".