55210424 has 16 divisors (see below), whose sum is σ = 109609200. Its totient is φ = 25981312.

The previous prime is 55210417. The next prime is 55210427. The reversal of 55210424 is 42401255.

It is a happy number.

55210424 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 55210424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210427) 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 3 ways as a sum of consecutive naturals, for example, 202844 + ... + 203115.

It is an arithmetic number, because the mean of its divisors is an integer number (6850575).

Almost surely, 2^55210424 is an apocalyptic number.

It is an amenable number.

55210424 is a deficient number, since it is larger than the sum of its proper divisors (54398776).

55210424 is a wasteful number, since it uses less digits than its factorization.

55210424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405982 (or 405978 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 55210424 is about 7430.3717269057. The cubic root of 55210424 is about 380.7796182569.

Adding to 55210424 its reverse (42401255), we get a palindrome (97611679).

The spelling of 55210424 in words is "fifty-five million, two hundred ten thousand, four hundred twenty-four".