5523444 has 48 divisors (see below), whose sum is σ = 14448000. Its totient is φ = 1824768.

The previous prime is 5523437. The next prime is 5523457. The reversal of 5523444 is 4443255.

5523444 = T₁₂₉ + T₁₃₀ + ... + T₃₂₇.

It is a super-2 number, since 2×5523444² = 61016867242272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21364 + ... + 21620.

It is an arithmetic number, because the mean of its divisors is an integer number (301000).

Almost surely, 2^5523444 is an apocalyptic number.

5523444 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5523444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7224000).

5523444 is an abundant number, since it is smaller than the sum of its proper divisors (8924556).

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

5523444 is a wasteful number, since it uses less digits than its factorization.

5523444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 461 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 5523444 is about 2350.2008424813. The cubic root of 5523444 is about 176.7678657568.

Adding to 5523444 its reverse (4443255), we get a palindrome (9966699).

It can be divided in two parts, 55234 and 44, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 5523444 in words is "five million, five hundred twenty-three thousand, four hundred forty-four".