5638011 has 8 divisors (see below), whose sum is σ = 7568400. Its totient is φ = 3733152.

The previous prime is 5637997. The next prime is 5638019. The reversal of 5638011 is 1108365.

5638011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5638011 - 2¹¹ = 5635963 is a prime.

It is a super-2 number, since 2×5638011² = 63574336072242, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5638019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5860 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (946050).

Almost surely, 2^5638011 is an apocalyptic number.

5638011 is a deficient number, since it is larger than the sum of its proper divisors (1930389).

5638011 is a wasteful number, since it uses less digits than its factorization.

5638011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12765.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 5638011 is about 2374.4496204384. The cubic root of 5638011 is about 177.9816818249.

The spelling of 5638011 in words is "five million, six hundred thirty-eight thousand, eleven".