55423544 has 32 divisors (see below), whose sum is σ = 113667840. Its totient is φ = 25125600.

The previous prime is 55423541. The next prime is 55423573. The reversal of 55423544 is 44532455.

55423544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55423544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55423541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49697 + ... + 50799.

It is an arithmetic number, because the mean of its divisors is an integer number (3552120).

Almost surely, 2^55423544 is an apocalyptic number.

It is an amenable number.

55423544 is an abundant number, since it is smaller than the sum of its proper divisors (58244296).

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

55423544 is a wasteful number, since it uses less digits than its factorization.

55423544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1687 counting only the distinct ones).

The product of its digits is 48000, while the sum is 32.

The square root of 55423544 is about 7444.6990536891. The cubic root of 55423544 is about 381.2689434644.

Adding to 55423544 its reverse (44532455), we get a palindrome (99955999).

The spelling of 55423544 in words is "fifty-five million, four hundred twenty-three thousand, five hundred forty-four".