55241424 has 90 divisors (see below), whose sum is σ = 179862930. Its totient is φ = 15781248.

The previous prime is 55241419. The next prime is 55241437. The reversal of 55241424 is 42414255.

55241424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 17640000 = 6132^2 + 4200^2 .

It is a super-2 number, since 2×55241424² = 6103229851095552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3142 + ... + 10970.

It is an arithmetic number, because the mean of its divisors is an integer number (1998477).

Almost surely, 2^55241424 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 55241424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89931465).

55241424 is an abundant number, since it is smaller than the sum of its proper divisors (124621506).

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

55241424 is a wasteful number, since it uses less digits than its factorization.

55241424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857 (or 7841 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 55241424 is about 7432.4574670831. The cubic root of 55241424 is about 380.8508726728.

Adding to 55241424 its reverse (42414255), we get a palindrome (97655679).

The spelling of 55241424 in words is "fifty-five million, two hundred forty-one thousand, four hundred twenty-four".