5551424 has 28 divisors (see below), whose sum is σ = 11119104. Its totient is φ = 2749824.

The previous prime is 5551423. The next prime is 5551433. The reversal of 5551424 is 4241555.

5551424 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5551393 and 5551402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7787 + ... + 8469.

Almost surely, 2^5551424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5551424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5559552).

5551424 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5551424 is a wasteful number, since it uses less digits than its factorization.

5551424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 812 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 5551424 is about 2356.1460056626. The cubic root of 5551424 is about 177.0658463132.

Adding to 5551424 its reverse (4241555), we get a palindrome (9792979).

The spelling of 5551424 in words is "five million, five hundred fifty-one thousand, four hundred twenty-four".