5540631 has 16 divisors (see below), whose sum is σ = 7845120. Its totient is φ = 3470720.

The previous prime is 5540611. The next prime is 5540641. The reversal of 5540631 is 1360455.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5540631 is a prime.

It is a super-2 number, since 2×5540631² = 61397183756322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540611) 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, 3391 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (490320).

Almost surely, 2^5540631 is an apocalyptic number.

5540631 is a deficient number, since it is larger than the sum of its proper divisors (2304489).

5540631 is a wasteful number, since it uses less digits than its factorization.

5540631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 5540631 is about 2353.8544984769. The cubic root of 5540631 is about 176.9510222301.

The spelling of 5540631 in words is "five million, five hundred forty thousand, six hundred thirty-one".