55224078 has 48 divisors (see below), whose sum is σ = 138373200. Its totient is φ = 14563584.

The previous prime is 55224067. The next prime is 55224097. The reversal of 55224078 is 87042255.

55224078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3403 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (2882775).

Almost surely, 2^55224078 is an apocalyptic number.

55224078 is an abundant number, since it is smaller than the sum of its proper divisors (83149122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55224078 is a wasteful number, since it uses less digits than its factorization.

55224078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481 (or 14474 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 55224078 is about 7431.2904666686. The cubic root of 55224078 is about 380.8110056652.

The spelling of 55224078 in words is "fifty-five million, two hundred twenty-four thousand, seventy-eight".