55502224 has 10 divisors (see below), whose sum is σ = 107535590. Its totient is φ = 27751104.

The previous prime is 55502221. The next prime is 55502281. The reversal of 55502224 is 42220555.

It is a happy number.

55502224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42771600 + 12730624 = 6540^2 + 3568^2 .

It is not an unprimeable number, because it can be changed into a prime (55502221) 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 as a sum of consecutive naturals, namely, 1734429 + ... + 1734460.

It is an arithmetic number, because the mean of its divisors is an integer number (10753559).

Almost surely, 2^55502224 is an apocalyptic number.

It is an amenable number.

55502224 is a deficient number, since it is larger than the sum of its proper divisors (52033366).

55502224 is a wasteful number, since it uses less digits than its factorization.

55502224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468897 (or 3468891 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 55502224 is about 7449.9814764870. The cubic root of 55502224 is about 381.4492763108.

Adding to 55502224 its reverse (42220555), we get a palindrome (97722779).

The spelling of 55502224 in words is "fifty-five million, five hundred two thousand, two hundred twenty-four".