5531553 has 6 divisors (see below), whose sum is σ = 7990034. Its totient is φ = 3687696.

The previous prime is 5531549. The next prime is 5531593. The reversal of 5531553 is 3551355.

It can be written as a sum of positive squares in only one way, i.e., 4941729 + 589824 = 2223^2 + 768^2 .

It is not a de Polignac number, because 5531553 - 2² = 5531549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5531593) 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 5 ways as a sum of consecutive naturals, for example, 307300 + ... + 307317.

Almost surely, 2^5531553 is an apocalyptic number.

It is an amenable number.

5531553 is a deficient number, since it is larger than the sum of its proper divisors (2458481).

5531553 is a wasteful number, since it uses less digits than its factorization.

5531553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614623 (or 614620 counting only the distinct ones).

The product of its digits is 5625, while the sum is 27.

The square root of 5531553 is about 2351.9253814694. The cubic root of 5531553 is about 176.8543280997.

It can be divided in two parts, 5531 and 553, that added together give a square (6084 = 78²).

The spelling of 5531553 in words is "five million, five hundred thirty-one thousand, five hundred fifty-three".