5535945 has 20 divisors (see below), whose sum is σ = 9924420. Its totient is φ = 2952288.

The previous prime is 5535923. The next prime is 5535947. The reversal of 5535945 is 5495355.

It can be written as a sum of positive squares in 2 ways, for example, as 3111696 + 2424249 = 1764^2 + 1557^2 .

It is not a de Polignac number, because 5535945 - 2⁵ = 5535913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5535947) 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 19 ways as a sum of consecutive naturals, for example, 6430 + ... + 7239.

It is an arithmetic number, because the mean of its divisors is an integer number (496221).

Almost surely, 2^5535945 is an apocalyptic number.

It is an amenable number.

5535945 is a deficient number, since it is larger than the sum of its proper divisors (4388475).

5535945 is a wasteful number, since it uses less digits than its factorization.

5535945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13686 (or 13677 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The square root of 5535945 is about 2352.8588992968. The cubic root of 5535945 is about 176.9011225969.

The spelling of 5535945 in words is "five million, five hundred thirty-five thousand, nine hundred forty-five".