5535631 has 4 divisors (see below), whose sum is σ = 5827000. Its totient is φ = 5244264.

The previous prime is 5535623. The next prime is 5535637. The reversal of 5535631 is 1365355.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5535631 - 2³ = 5535623 is a prime.

It is a super-2 number, since 2×5535631² = 61286421136322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5535631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5535637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145656 + ... + 145693.

It is an arithmetic number, because the mean of its divisors is an integer number (1456750).

Almost surely, 2^5535631 is an apocalyptic number.

5535631 is a deficient number, since it is larger than the sum of its proper divisors (291369).

5535631 is a wasteful number, since it uses less digits than its factorization.

5535631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291368.

The product of its digits is 6750, while the sum is 28.

The square root of 5535631 is about 2352.7921710172. The cubic root of 5535631 is about 176.8977779104.

The spelling of 5535631 in words is "five million, five hundred thirty-five thousand, six hundred thirty-one".