55225424 has 20 divisors (see below), whose sum is σ = 108356160. Its totient is φ = 27262560.

The previous prime is 55225409. The next prime is 55225441. The reversal of 55225424 is 42452255.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20582 + ... + 23109.

It is an arithmetic number, because the mean of its divisors is an integer number (5417808).

Almost surely, 2^55225424 is an apocalyptic number.

It is an amenable number.

55225424 is a deficient number, since it is larger than the sum of its proper divisors (53130736).

55225424 is a wasteful number, since it uses less digits than its factorization.

55225424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43778 (or 43772 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 55225424 is about 7431.3810291224. The cubic root of 55225424 is about 380.8140995297.

Adding to 55225424 its reverse (42452255), we get a palindrome (97677679).

The spelling of 55225424 in words is "fifty-five million, two hundred twenty-five thousand, four hundred twenty-four".