55404424 has 32 divisors (see below), whose sum is σ = 109952640. Its totient is φ = 26118400.

The previous prime is 55404403. The next prime is 55404431. The reversal of 55404424 is 42440455.

55404424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55404424³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55404392 and 55404401.

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 7 ways as a sum of consecutive naturals, for example, 10944 + ... + 15184.

It is an arithmetic number, because the mean of its divisors is an integer number (3436020).

Almost surely, 2^55404424 is an apocalyptic number.

It is an amenable number.

55404424 is a deficient number, since it is larger than the sum of its proper divisors (54548216).

55404424 is a wasteful number, since it uses less digits than its factorization.

55404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4337 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 55404424 is about 7443.4148077344. The cubic root of 55404424 is about 381.2250950676.

Adding to 55404424 its reverse (42440455), we get a palindrome (97844879).

The spelling of 55404424 in words is "fifty-five million, four hundred four thousand, four hundred twenty-four".