55416224 has 24 divisors (see below), whose sum is σ = 109353888. Its totient is φ = 27643840.

The previous prime is 55416203. The next prime is 55416233. The reversal of 55416224 is 42261455.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13949 + ... + 17475.

It is an arithmetic number, because the mean of its divisors is an integer number (4556412).

Almost surely, 2^55416224 is an apocalyptic number.

It is an amenable number.

55416224 is a deficient number, since it is larger than the sum of its proper divisors (53937664).

55416224 is a wasteful number, since it uses less digits than its factorization.

55416224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028 (or 4020 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 55416224 is about 7444.2074124785. The cubic root of 55416224 is about 381.2521575082.

Adding to 55416224 its reverse (42261455), we get a palindrome (97677679).

It can be divided in two parts, 5 and 5416224, that multiplied together give a triangular number (27081120 = T₇₃₅₉).

The spelling of 55416224 in words is "fifty-five million, four hundred sixteen thousand, two hundred twenty-four".