55805226 has 16 divisors (see below), whose sum is σ = 112104864. Its totient is φ = 18519344.

The previous prime is 55805207. The next prime is 55805231. The reversal of 55805226 is 62250855.

It is a super-2 number, since 2×55805226² = 6228446497822152, which contains 22 as substring.

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, 19125 + ... + 21848.

It is an arithmetic number, because the mean of its divisors is an integer number (7006554).

Almost surely, 2^55805226 is an apocalyptic number.

55805226 is an abundant number, since it is smaller than the sum of its proper divisors (56299638).

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

55805226 is a wasteful number, since it uses less digits than its factorization.

55805226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41205.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 55805226 is about 7470.2895526211. The cubic root of 55805226 is about 382.1421626696.

The spelling of 55805226 in words is "fifty-five million, eight hundred five thousand, two hundred twenty-six".