55511226 has 12 divisors (see below), whose sum is σ = 120274362. Its totient is φ = 18503736.

The previous prime is 55511221. The next prime is 55511227. The reversal of 55511226 is 62211555.

55511226 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 only one way, i.e., 31979025 + 23532201 = 5655^2 + 4851^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55511226.

It is not an unprimeable number, because it can be changed into a prime (55511221) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1541961 + ... + 1541996.

Almost surely, 2^55511226 is an apocalyptic number.

55511226 is an abundant number, since it is smaller than the sum of its proper divisors (64763136).

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

55511226 is a wasteful number, since it uses less digits than its factorization.

55511226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083965 (or 3083962 counting only the distinct ones).

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

The square root of 55511226 is about 7450.5856145675. The cubic root of 55511226 is about 381.4698978314.

It can be divided in two parts, 555 and 11226, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 55511226 in words is "fifty-five million, five hundred eleven thousand, two hundred twenty-six".