55226210 has 16 divisors (see below), whose sum is σ = 107054136. Its totient is φ = 20391168.

The previous prime is 55226203. The next prime is 55226219. The reversal of 55226210 is 1262255.

It can be written as a sum of positive squares in 4 ways, for example, as 24078649 + 31147561 = 4907^2 + 5581^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55226219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212279 + ... + 212538.

Almost surely, 2^55226210 is an apocalyptic number.

55226210 is a deficient number, since it is larger than the sum of its proper divisors (51827926).

55226210 is a wasteful number, since it uses less digits than its factorization.

55226210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424837.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55226210 is about 7431.4339127789. The cubic root of 55226210 is about 380.8159061763.

Adding to 55226210 its reverse (1262255), we get a palindrome (56488465).

It can be divided in two parts, 552 and 26210, that added together give a palindrome (26762).

The spelling of 55226210 in words is "fifty-five million, two hundred twenty-six thousand, two hundred ten".