55115226 has 24 divisors (see below), whose sum is σ = 119751060. Its totient is φ = 18320256.

The previous prime is 55115213. The next prime is 55115227. The reversal of 55115226 is 62251155.

It can be written as a sum of positive squares in 2 ways, for example, as 52056225 + 3059001 = 7215^2 + 1749^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55115226.

It is not an unprimeable number, because it can be changed into a prime (55115227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2610 + ... + 10818.

Almost surely, 2^55115226 is an apocalyptic number.

55115226 is an abundant number, since it is smaller than the sum of its proper divisors (64635834).

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

55115226 is a wasteful number, since it uses less digits than its factorization.

55115226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8590 (or 8587 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 55115226 is about 7423.9629578817. The cubic root of 55115226 is about 380.5606359818.

The spelling of 55115226 in words is "fifty-five million, one hundred fifteen thousand, two hundred twenty-six".