5653638 has 24 divisors (see below), whose sum is σ = 12704328. Its totient is φ = 1884384.

The previous prime is 5653633. The next prime is 5653643. The reversal of 5653638 is 8363565.

It is an interprime number because it is at equal distance from previous prime (5653633) and next prime (5653643).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5653633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5331 + ... + 6302.

It is an arithmetic number, because the mean of its divisors is an integer number (529347).

Almost surely, 2^5653638 is an apocalyptic number.

5653638 is an abundant number, since it is smaller than the sum of its proper divisors (7050690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5653638 is a wasteful number, since it uses less digits than its factorization.

5653638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11650 (or 11638 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 5653638 is about 2377.7380007057. The cubic root of 5653638 is about 178.1459687226.

The spelling of 5653638 in words is "five million, six hundred fifty-three thousand, six hundred thirty-eight".