55241472 has 144 divisors (see below), whose sum is σ = 173069568. Its totient is φ = 15421440.

The previous prime is 55241471. The next prime is 55241477. The reversal of 55241472 is 27414255.

It is not an unprimeable number, because it can be changed into a prime (55241471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109573 + ... + 110075.

It is an arithmetic number, because the mean of its divisors is an integer number (1201872).

Almost surely, 2^55241472 is an apocalyptic number.

55241472 is a gapful number since it is divisible by the number (52) 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 55241472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86534784).

55241472 is an abundant number, since it is smaller than the sum of its proper divisors (117828096).

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

55241472 is a wasteful number, since it uses less digits than its factorization.

55241472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 532 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 55241472 is about 7432.4606961625. The cubic root of 55241472 is about 380.8509829816.

It can be divided in two parts, 5524 and 1472, that added together give a palindrome (6996).

The spelling of 55241472 in words is "fifty-five million, two hundred forty-one thousand, four hundred seventy-two".