5518953 has 24 divisors (see below), whose sum is σ = 8794656. Its totient is φ = 3307200.

The previous prime is 5518951. The next prime is 5518967. The reversal of 5518953 is 3598155.

5518953 = 172² + 173² + ... + 278².

It is a happy number.

It is not a de Polignac number, because 5518953 - 2¹ = 5518951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5518951) 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 23 ways as a sum of consecutive naturals, for example, 10333 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (366444).

Almost surely, 2^5518953 is an apocalyptic number.

It is an amenable number.

5518953 is a deficient number, since it is larger than the sum of its proper divisors (3275703).

5518953 is a wasteful number, since it uses less digits than its factorization.

5518953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 642 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 5518953 is about 2349.2451979306. The cubic root of 5518953 is about 176.7199439806.

The spelling of 5518953 in words is "five million, five hundred eighteen thousand, nine hundred fifty-three".