55014421 has 32 divisors (see below), whose sum is σ = 72161280. Its totient is φ = 40689600.

The previous prime is 55014391. The next prime is 55014433. The reversal of 55014421 is 12441055.

55014421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55014421 - 2⁹ = 55013909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55014392 and 55014401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55014121) 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 31 ways as a sum of consecutive naturals, for example, 158370 + ... + 158716.

It is an arithmetic number, because the mean of its divisors is an integer number (2255040).

Almost surely, 2^55014421 is an apocalyptic number.

It is an amenable number.

55014421 is a deficient number, since it is larger than the sum of its proper divisors (17146859).

55014421 is a wasteful number, since it uses less digits than its factorization.

55014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 55014421 is about 7417.1706869938. The cubic root of 55014421 is about 380.3284809761.

Adding to 55014421 its reverse (12441055), we get a palindrome (67455476).

The spelling of 55014421 in words is "fifty-five million, fourteen thousand, four hundred twenty-one".