55226120 has 16 divisors (see below), whose sum is σ = 124258860. Its totient is φ = 22090432.

The previous prime is 55226117. The next prime is 55226161. The reversal of 55226120 is 2162255.

It can be written as a sum of positive squares in 2 ways, for example, as 46594276 + 8631844 = 6826^2 + 2938^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690287 + ... + 690366.

Almost surely, 2^55226120 is an apocalyptic number.

It is an amenable number.

55226120 is an abundant number, since it is smaller than the sum of its proper divisors (69032740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55226120 is a wasteful number, since it uses less digits than its factorization.

55226120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380664 (or 1380660 counting only the distinct ones).

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

The square root of 55226120 is about 7431.4278574174. The cubic root of 55226120 is about 380.8156993092.

Adding to 55226120 its reverse (2162255), we get a palindrome (57388375).

The spelling of 55226120 in words is "fifty-five million, two hundred twenty-six thousand, one hundred twenty".