55268226 has 96 divisors (see below), whose sum is σ = 140474880. Its totient is φ = 15552000.

The previous prime is 55268203. The next prime is 55268243. The reversal of 55268226 is 62286255.

55268226 is a `hidden beast` number, since 552 + 6 + 82 + 26 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137626 + ... + 138026.

It is an arithmetic number, because the mean of its divisors is an integer number (1463280).

Almost surely, 2^55268226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55268226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70237440).

55268226 is an abundant number, since it is smaller than the sum of its proper divisors (85206654).

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

55268226 is a wasteful number, since it uses less digits than its factorization.

55268226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 469 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 55268226 is about 7434.2602860002. The cubic root of 55268226 is about 380.9124563780.

The spelling of 55268226 in words is "fifty-five million, two hundred sixty-eight thousand, two hundred twenty-six".