55670224 has 40 divisors (see below), whose sum is σ = 110115720. Its totient is φ = 27260928.

The previous prime is 55670221. The next prime is 55670243. The reversal of 55670224 is 42207655.

55670224 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 4 ways, for example, as 7617600 + 48052624 = 2760^2 + 6932^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55670221) 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 7 ways as a sum of consecutive naturals, for example, 238812 + ... + 239044.

It is an arithmetic number, because the mean of its divisors is an integer number (2752893).

Almost surely, 2^55670224 is an apocalyptic number.

It is an amenable number.

55670224 is a deficient number, since it is larger than the sum of its proper divisors (54445496).

55670224 is a wasteful number, since it uses less digits than its factorization.

55670224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 55670224 is about 7461.2481529567. The cubic root of 55670224 is about 381.8337589742.

Adding to 55670224 its reverse (42207655), we get a palindrome (97877879).

The spelling of 55670224 in words is "fifty-five million, six hundred seventy thousand, two hundred twenty-four".