5645530 has 32 divisors (see below), whose sum is σ = 11741760. Its totient is φ = 1931520.

The previous prime is 5645501. The next prime is 5645539. The reversal of 5645530 is 355465.

It is a d-powerful number, because it can be written as 5⁷ + 6⁴ + 4⁸ + 5⁹ + 5⁹ + 3¹³ + 0 .

It is not an unprimeable number, because it can be changed into a prime (5645539) by changing a digit.

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, 361 + ... + 3379.

It is an arithmetic number, because the mean of its divisors is an integer number (366930).

Almost surely, 2^5645530 is an apocalyptic number.

5645530 is an abundant number, since it is smaller than the sum of its proper divisors (6096230).

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

5645530 is a wasteful number, since it uses less digits than its factorization.

5645530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 5645530 is about 2376.0324071864. The cubic root of 5645530 is about 178.0607670318.

The spelling of 5645530 in words is "five million, six hundred forty-five thousand, five hundred thirty".