55130210 has 32 divisors (see below), whose sum is σ = 105105600. Its totient is φ = 20761920.

The previous prime is 55130209. The next prime is 55130219. The reversal of 55130210 is 1203155.

It is not an unprimeable number, because it can be changed into a prime (55130219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33200 + ... + 34820.

It is an arithmetic number, because the mean of its divisors is an integer number (3284550).

Almost surely, 2^55130210 is an apocalyptic number.

55130210 is a deficient number, since it is larger than the sum of its proper divisors (49975390).

55130210 is a wasteful number, since it uses less digits than its factorization.

55130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 55130210 is about 7424.9720538195. The cubic root of 55130210 is about 380.5951201241.

Adding to 55130210 its reverse (1203155), we get a palindrome (56333365).

The spelling of 55130210 in words is "fifty-five million, one hundred thirty thousand, two hundred ten".