5638755 has 16 divisors (see below), whose sum is σ = 9080064. Its totient is φ = 2988000.

The previous prime is 5638753. The next prime is 5638757. The reversal of 5638755 is 5578365.

It is an interprime number because it is at equal distance from previous prime (5638753) and next prime (5638757).

It is not a de Polignac number, because 5638755 - 2¹ = 5638753 is a prime.

5638755 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5638751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380 + ... + 3630.

It is an arithmetic number, because the mean of its divisors is an integer number (567504).

Almost surely, 2^5638755 is an apocalyptic number.

5638755 is a deficient number, since it is larger than the sum of its proper divisors (3441309).

5638755 is a wasteful number, since it uses less digits than its factorization.

5638755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426.

The product of its digits is 126000, while the sum is 39.

The square root of 5638755 is about 2374.6062831552. The cubic root of 5638755 is about 177.9895103864.

The spelling of 5638755 in words is "five million, six hundred thirty-eight thousand, seven hundred fifty-five".