55070226 has 16 divisors (see below), whose sum is σ = 122378400. Its totient is φ = 18356724.

The previous prime is 55070203. The next prime is 55070243. The reversal of 55070226 is 62207055.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 55070226.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509856 + ... + 509963.

It is an arithmetic number, because the mean of its divisors is an integer number (7648650).

Almost surely, 2^55070226 is an apocalyptic number.

55070226 is an abundant number, since it is smaller than the sum of its proper divisors (67308174).

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

55070226 is a wasteful number, since it uses less digits than its factorization.

55070226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019830 (or 1019824 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 55070226 is about 7420.9316126751. The cubic root of 55070226 is about 380.4570355025.

The spelling of 55070226 in words is "fifty-five million, seventy thousand, two hundred twenty-six".