55670210 has 16 divisors (see below), whose sum is σ = 102651192. Its totient is φ = 21724800.

The previous prime is 55670207. The next prime is 55670221. The reversal of 55670210 is 1207655.

55670210 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 10686361 + 44983849 = 3269^2 + 6707^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55670210.

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 7 ways as a sum of consecutive naturals, for example, 67481 + ... + 68300.

Almost surely, 2^55670210 is an apocalyptic number.

55670210 is a deficient number, since it is larger than the sum of its proper divisors (46980982).

55670210 is a wasteful number, since it uses less digits than its factorization.

55670210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135829.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 55670210 is about 7461.2472147758. The cubic root of 55670210 is about 381.8337269662.

Adding to 55670210 its reverse (1207655), we get a palindrome (56877865).

The spelling of 55670210 in words is "fifty-five million, six hundred seventy thousand, two hundred ten".