5623855 has 16 divisors (see below), whose sum is σ = 7223040. Its totient is φ = 4188672.

The previous prime is 5623853. The next prime is 5623859. The reversal of 5623855 is 5583265.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5623855 - 2¹ = 5623853 is a prime.

It is a super-2 number, since 2×5623855² = 63255490122050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5623855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5623853) 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, 8962 + ... + 9568.

It is an arithmetic number, because the mean of its divisors is an integer number (451440).

Almost surely, 2^5623855 is an apocalyptic number.

5623855 is a deficient number, since it is larger than the sum of its proper divisors (1599185).

5623855 is a wasteful number, since it uses less digits than its factorization.

5623855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738.

The product of its digits is 36000, while the sum is 34.

The square root of 5623855 is about 2371.4668456464. The cubic root of 5623855 is about 177.8325973158.

Subtracting from 5623855 its product of digits (36000), we obtain a palindrome (5587855).

The spelling of 5623855 in words is "five million, six hundred twenty-three thousand, eight hundred fifty-five".